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NASA CNEOS

• Asteroid 1998 OR2 to Safely Fly Past Earth This Week
  2020-04-28
  A large near-Earth asteroid will safely pass by our planet on Wednesday morning, providing astronomers with an exceptional opportunity to study the 2-kilometer-wide (1.5-mile-wide) object in great detail.
• News
  2025-02-14
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• Asteroid 2024 YR4 reaches level 3 on the Torino Scale
  2025-01-31
  NASA analysis of a near-Earth asteroid, designated 2024 YR4, indicates it has a small chance of impacting Earth on Dec. 22, 2032.
• NASA Study: Asteroid’s Orbit, Shape Changed After DART Impact
  2024-03-19
  After NASA’s historic Double Asteroid Redirection Test, a JPL-led study has shown that the shape of asteroid Dimorphos has changed and its orbit has shrunk.
• NASA System Predicts Impact of a Very Small Asteroid Over Germany
  2024-01-24
  The Scout impact assessment system calculated where and when the asteroid 2024 BX1 would impact Earth’s atmosphere, providing a useful demonstration of planetary defense capability.
• CNEOS Predicts Another Small Asteroid Impact, This One over Northwestern France
  2023-02-14
  Another tiny asteroid on a collision course with Earth was detected over the weekend, and JPL’s CNEOS Scout system accurately predicted where and when the impact would happen, well before it actually occurred.
• NASA System Predicts Small Asteroid to Pass Close by Earth This Week
  2023-01-25
  On Thursday, Jan. 26, a small near-Earth asteroid will have a very close encounter with our planet. Designated 2023 BU, the asteroid will zoom over the southern tip of South America at about 4:27 p.m. PST (7:27 p.m. EST) only 2,200 miles (3,600 kilometers) above the planet’s surface and well ...
• NASA Program Predicted Impact of Small Asteroid Over Ontario, Canada
  2022-11-22
  In the early hours of Saturday, Nov. 19, the skies over southern Ontario, Canada, lit up as a tiny asteroid harmlessly streaked across the sky high in Earth’s atmosphere, broke up, and likely scattered small meteorites over the southern coastline of Lake Ontario. The fireball wasn’t a surprise. Roughly 1 ...
• US Space Force Releases Decades of Bolide Data to NASA for Planetary Defense Studies
  2022-04-07
  Hosted by JPL’s Center for Near Earth Object Studies, the data can be used by the science community to better understand how asteroids break up when entering the atmosphere.
• Updated Calculations Refine the Impact Probability for (29075) 1950 DA
  2022-03-29
  (29075) 1950 DA is a kilometer-sized asteroid that will make a close approach to Earth in 2880 and, because of the corresponding impact probability and size, has ranked at the top of the Sentry risk list since 2014.

NASA Jet Propulsilon Laboratory:

• New Data Confirm 2020 SO to Be the Upper Centaur Rocket Booster From the 1960's
  2020-12-02
  The object, discovered in September by astronomers searching for near-Earth asteroids, garnered interest in the planetary science community due to its size and unusual orbit.
• MOXIE Could Help Future Rockets Launch Off Mars
  2020-11-24
  NASA's Perseverance rover carries a device to convert Martian air into oxygen that, if produced on a larger scale, could be used not just for breathing, but also for fuel.
• Independent Review Indicates NASA Prepared for Mars Sample Return Campaign
  2020-11-10
  A report, released Tuesday, concludes that the agency is well positioned for its ambitious plan to bring samples back from the Red Planet for further study on Earth.
• Impact Craters Reveal Details of Titan's Dynamic Surface Weathering
  2020-10-29
  New research on nine craters of Saturn's largest moon provides more details about how weathering affects the evolution of the surface - and what lies beneath.
• NASA InSight's 'Mole' Is Out of Sight
  2020-10-16
  Now that the heat probe is just below the Martian surface, InSight's arm will scoop some additional soil on top to help it keep digging so it can take Mars' temperature.
• This Transforming Rover Can Explore the Toughest Terrain
  2020-10-13
  Made of a pair of two-wheeled vehicles, NASA's DuAxel is designed to descend crater sides and near-vertical cliffs on the Moon, Mars, and beyond.
• NASA's Perseverance Rover Will Peer Beneath Mars' Surface
  2020-10-08
  The agency's newest rover will use the first ground-penetrating radar instrument on the Martian surface to help search for signs of past microbial life.
• AI Is Helping Scientists Discover Fresh Craters on Mars
  2020-10-01
  It's the first time machine learning has been used to find previously unknown craters on the Red Planet.
• School Bus-Size Asteroid to Safely Zoom Past Earth
  2020-09-22
  Roughly 15 to 30 feet wide, the object will make its closest approach on Sept. 24.
• Comet Discovered to Have Its Own Northern Lights
  2020-09-21
  An atmospheric light show previously relegated to planets and Jupiter moons is found on comet using data from ESA's Rosetta spacecraft.

Space.com

• SpaceX Falcon 9 rocket debris creates dramatic fireball over Europe, crashes in Poland (video)
  2025-02-20
  A SpaceX rocket stage fell to Earth early Wednesday morning (Feb. 19), blazing a trail of fire through European skies.
• NASA massively lowers impact risk of 'city-killer' asteroid 2024 YR4 to 1 in 360
  2025-02-20
  Breathe a sigh of relief! NASA has dropped the risk of asteroid 2024 YR4 impacting Earth in 2032 to 1 in 360, just days after it became the highest-risk asteroid since records began.
• Boeing plans to lay off hundreds of employees working on NASA's SLS moon rocket: reports
  2025-02-19
  Boeing is preparing to lay off roughly 200 employees working on the Space Launch System rocket as it braces for the possibility that its contracts with NASA may not be renewed after they end in March.
• 'City-killer' asteroid 2024 YR4 could hit the moon instead of us, scientists say
  2025-02-16
  Asteroid 2024 YR4 has a 2.3% chance of hitting Earth in the year 2032. But according to new estimates, it may have an even smaller chance of hitting the moon instead.

Astronomy Now

• The Quadrantids: a strong meteor shower to start the year
  2025-01-02
  The Quadrantid meteor shower kicks off the meteor-watching calendar, peaking this year on 3 January. Renowned for its reliability, it consistently ranks among the best annual meteor displays.

Univere Today

• Should Astronauts Be Worried About Mars Dust?
  2025-02-20
  Every Martian year (which last 686.98 Earth days), the Red Planet experiences regional dust storms that coincide with summer in the southern hemisphere. Every three Martian years (five and a half Earth years), these storms grow so large that they encompass the entire planet and are visible from Earth. These ...

EarthSky

• Phew! Asteroid 2024 YR4 odds of Earth impact plummet
  2025-02-20
  On February 20, 2025, NASA's Center for Near Earth Object Studies slightly decreased the odds of asteroid 2024 YR4 hitting us in 2032 to 1 in 360. The post Phew! Asteroid 2024 YR4 odds of Earth impact plummet first appeared on EarthSky.

The Planetary Society

• Timeless collections
  2025-01-31
  From galaxies to stamps to asteroid samples, some collections never go out of style.
• Should you be worried about Asteroid 2024 YR4?
  2025-01-30
  Experts weigh in about the recently discovered near-Earth asteroid 2024 YR4 that has about a 1% chance of impacting Earth on Dec. 22, 2032.
• Are we there yet?
  2024-12-20
  Perseverance makes it to the Jezero Crater rim, and we’re antsy to start another year of space exploration.
• How to spot Comet C/2024 G3 (ATLAS)
  2024-12-18
  Catch this once-in-a-lifetime comet over the next few weeks.
• Twister, but make it magnetic
  2024-11-29
  A Jovian storm has its roots in a magnetic vortex, life finds a way into an asteroid sample, and more this week in space.
• Ripples and rivers
  2024-11-15
  Liquids do all kinds of interesting things on planetary surfaces, from creating rippled impact craters to streaming out from under carbon dioxide glaciers.
• Twinsies!
  2024-10-11
  Asteroids that come in pairs, matching volcanic features on Mars and Earth, and the potential space policies of two administrations.
• Hera launches to study the aftermath of an asteroid deflection test
  2024-10-07
  The European Space Agency’s Hera spacecraft launched on Oct. 7, 2024, from Cape Canaveral, Florida. It will travel to the Didymos-Dimorphos asteroid system to study the aftermath of the first-ever field test of an asteroid deflection technique.

Space Daily

• Odds plummet that asteroid will hit Earth in 2032
  2025-02-21
  Paris (AFP) Feb 20, 2025 The chance that an asteroid capable of wiping out a city will hit Earth in eight years has been cut in half to around 1.5 percent, according to new calculations from NASA. The drop in odds had been widely anticipated by the global astronomical community, ...
• Dark Skies Enable New Observations of Asteroid 2024 YR4 Reducing Impact Probability
  2025-02-21
  Los Angeles CA (SPX) Feb 20, 2025 With the return of darker skies following a period of bright full moon conditions, astronomers have resumed tracking asteroid 2024 YR4. Ground-based telescopes rely on dark skies to detect asteroids, which can appear extremely faint. During a full moon, the brightness of the night ...
• Chinese Scientists Identify "Rocket Effect" as Key Driver of Boulder Motion on Comet
  2025-02-21
  Sydney, Australia (SPX) Feb 21, 2025 A team of Chinese scientists has linked the unexpected movement of a boulder on Comet 67P/Churyumov-Gerasimenko to a process known as the "rocket effect." This phenomenon, triggered by the uneven sublimation of volatile ice within the boulder, was observed by the European Space Agency's (ESA) ...
• China Prepares for Launch of Tianwen 2 Asteroid Mission
  2025-02-21
  Sydney, Australia (SPX) Feb 21, 2025 China is gearing up for its first asteroid sample-return mission, Tianwen 2, which is set to launch in the coming months from the Xichang Satellite Launch Center in Sichuan province, according to the China National Space Administration (CNSA). The space agency announced on Thursday that ...
• Politecnico di Milano and Georgia Tech introduce new insights into asteroid deflection
  2025-02-21
  Paris, France (SPX) Feb 21, 2025 How prepared is humanity to deflect an incoming asteroid? This question is addressed in two recent studies published in *Nature Communications*, stemming from a collaboration between Politecnico di Milano, the Georgia Institute of Technology, and other global research institutions. The studies analyze the outcomes of ...

The Space Review

• The future of robotic Mars exploration
  2024-12-16
  Last week, NASA unveiled a long-term plan for robotic exploration of Mars, including work to prepare for later human missions. Jeff Foust reports on the plan as well as ongoing efforts to revamp the Mars Sample Return program.
• Review: How to Kill an Asteroid
  2024-11-18
  Planetary defense has gone from a relatively fringe topic with little funding to one with NASA missions demonstrating the ability to change an asteroid's orbit. Jeff Foust reviews a book that examines those efforts to detect and defend Earth from asteroids, and the need to do more.
• The trials and tribulations of Hera
  2024-10-14
  ESA last week launched its Hera mission to the same asteroid that NASA's DART spacecraft collided with two years ago. Jeff Foust reports on the struggles the Hera project faced getting the spacecraft launched, from funding challenges to a hurricane.
• An alternative Mars Sample Return program
  2024-08-19
  NASA is weighing different approaches to its Mars Sample Return program to lower its costs and speed up the return of samples. Dale Skran advocates for an approach that ties the effort more closely to future human exploration of the Red Planet.
• Review: The Asteroid Hunter
  2024-05-06
  Last September NASA's OSIRIS-REx spacecraft successfully returned samples from the asteroid Bennu, seven years after its launch. Jeff Foust reviews a book by the mission's principal investigator that describes the long effort to develop the mission and how it overcame obstacles along the way.
• NASA looks for an MSR lifeline
  2024-04-29
  Mars scientists hoped they would have a better idea of when and how they would get samples back from Mars after NASA completed an internal study of the Mars Sample Return program. Instead, as Jeff Foust reports, NASA is now turning to industry for help on how to reduce the ...
• MSR at serious risk
  2024-02-12
  Concerns about the budget and plans for NASA's Mars Sample Return (MSR) program came to a head last week when JPL laid off more than 500 employees, citing budget uncertainty about the program. Jeff Foust reports on the issues that have put the future of MSR into question for some.
• The case for a fleet of Martian helicopters
  2024-02-05
  Ingenuity, whose mission ended last month, was a first-of-its-kind Mars helicopter with no guarantees more will follow soon. Ari Allyn-Feuer discusses how sending a large number of similar helicopters could advance Martian exploration in novel ways.
• A capsule's fall marks the start of Asteroid Autumn
  2023-09-25
  On Sunday, NASA's OSIRIS-REx spacecraft returned to Earth, dropping off a capsule containing samples collected from the asteroid Bennu. Jeff Foust reports on the success of the first part of NASA's "Asteroid Autumn" that includes a launch and a flyby.
• Review: Interstellar
  2023-09-11
  Last month, a paper claimed to have found evidence for interstellar meteorites at the bottom of the Pacific, a claim other scientists have treated skeptically. Jeff Foust review a book by the scientist who is the lead author of that study and other efforts using science to look for interstellar ...

Phys.org

• Odds plummet that asteroid will hit Earth in 2032
  2025-02-21
  The chance that an asteroid capable of wiping out a city will hit Earth in eight years has been cut in half to around 1.5 percent, according to new calculations from NASA.

• Jupiter's moon Callisto is very likely an ocean world
  2025-02-18
  More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's Galileo spacecraft captured magnetic measurements near Callisto that suggested that its ice shell surface—much like that of Europa, another moon of Jupiter—may encase ...
• Asteroid Ryugu samples suggest presence of salty water in outer solar system
  2025-02-14
  Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their proximity also offers ample opportunities to learn more about the universe. Ryugu, a 900-meter diameter asteroid in the Apollo belt, has recently proven useful in our search ...
• Meteorite discovery challenges long-held theories on Earth's missing elements
  2025-02-05
  Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new study reveals a surprising twist in the story of our planet's formation.
• Life-bearing water arrived on Earth later rather than sooner, meteorite analysis suggests
  2025-02-03
  A team led by a Rutgers-New Brunswick scientist has concluded water did not arrive as early during Earth's formation as previously thought, an insight that bears directly on the question of when life originated on the planet.
• Pristine asteroid samples reveal secrets of the ancient solar system
  2025-02-02
  Curtin University researchers have gained an unprecedented glimpse into the early history of our solar system through some of the most well-preserved asteroid samples ever collected, potentially transforming our understanding of planetary formation and the origins of life.
• Are we all aliens? NASA's returned asteroid samples hold the ingredients of life from a watery world
  2025-02-01
  Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient water world, scientists reported Wednesday.
• Dust from asteroid Bennu suggests solar system's potential for life was widespread
  2025-01-29
  It took two years for NASA's OSIRIS-REx space probe to return from asteroid Bennu before dropping off a small capsule as it flew past Earth, which was then recovered in the desert of the U.S. state of Utah on September 24, 2023. Its contents: 122 grams of dust and rock ...
• Asteroid Bennu samples found to contain five nitrogenous bases crucial to supporting life
  2025-01-29
  Asteroids, small airless bodies within the inner solar system, are theorized to have contributed water and chemical building blocks of life to Earth billions of years ago. Although meteorites on Earth come from asteroids, the combination of exposure to moisture in the atmosphere and to an uncontrolled biosphere means that ...
• Dwarf planet Ceres may have received organic material from space objects
  2025-01-27
  The organic material found in a few areas on the surface of dwarf planet Ceres is probably of exogenic origin. Impacting asteroids from the outer asteroid belt may have brought it with them.

• A spiral structure in the inner Oort cloud
  2025-02-19
  We typically think of the Oort cloud as scattered ice balls floating far from the sun, yet still tied to it gravitationally. Occasionally, some wayward gravitational perturbation will knock one of them a weird way and create a long-period comet, which might briefly delight us lowly humans by providing something ...
• Dramatically decreasing the time it takes to measure asteroid distances
  2025-02-18
  We all know that asteroids are out there, that some of them come dangerously close to Earth, and that they've struck Earth before with catastrophic consequences. The recent discovery of asteroid 2024 YR4 reminds us of the persistent threat that asteroids present. There's an organized effort to find dangerous space ...

• Odds plummet that asteroid will hit Earth in 2032
  2025-02-21
  The chance that an asteroid capable of wiping out a city will hit Earth in eight years has been cut in half to around 1.5 percent, according to new calculations from NASA.
• Asteroid deflection strategies: Researchers unveil new scenarios
  2025-02-20
  How prepared are we to deflect an asteroid heading towards Earth? This question is answered by two studies just published in Nature Communications, the result of a collaboration between Politecnico di Milano, Georgia Institute of Technology and other international institutions. The research analyzes the historical results of NASA's DART (Double ...
• Should astronauts be worried about Mars dust?
  2025-02-20
  Every Martian year (which last 686.98 Earth days), the red planet experiences regional dust storms that coincide with summer in the southern hemisphere. Every three Martian years (five and a half Earth years), these storms grow so large that they encompass the entire planet and are visible from Earth.
• 'City killer' asteroid now has 3.1% chance of hitting Earth: NASA
  2025-02-19
  An asteroid that could level a city now has a 3.1-percent chance of striking Earth in 2032, according to NASA data released Tuesday—making it the most threatening space rock ever recorded by modern forecasting.
• Jupiter's moon Callisto is very likely an ocean world
  2025-02-18
  More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's Galileo spacecraft captured magnetic measurements near Callisto that suggested that its ice shell surface—much like that of Europa, another moon of Jupiter—may encase ...
• Dramatically decreasing the time it takes to measure asteroid distances
  2025-02-18
  We all know that asteroids are out there, that some of them come dangerously close to Earth, and that they've struck Earth before with catastrophic consequences. The recent discovery of asteroid 2024 YR4 reminds us of the persistent threat that asteroids present. There's an organized effort to find dangerous space ...
• Asteroid Ryugu samples suggest presence of salty water in outer solar system
  2025-02-14
  Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their proximity also offers ample opportunities to learn more about the universe. Ryugu, a 900-meter diameter asteroid in the Apollo belt, has recently proven useful in our search ...
• Why asteroid 2024 YR4 is unlikely to hit Earth in 2032 and how scientists keep track
  2025-02-13
  The threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes rush to track its course. But the chance of an impact is still quite slim.
• Interstellar visitors: Material from Alpha Centauri may already be here
  2025-02-12
  The appearance of the interstellar objects (ISOs) 'Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come from? Unfortunately, they didn't stick around and wouldn't cooperate with our efforts to study them in detail. Regardless, they showed us something: ...
• Curiosity rover captures colorful clouds drifting over Mars
  2025-02-12
  Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its Mastcam—its main set of "eyes." Taken over 16 minutes on Jan. 17 (the 4,426th Martian day, or sol, of Curiosity's mission), the images show the latest observations of what are ...

• Should astronauts be worried about Mars dust?
  2025-02-20
  Every Martian year (which last 686.98 Earth days), the red planet experiences regional dust storms that coincide with summer in the southern hemisphere. Every three Martian years (five and a half Earth years), these storms grow so large that they encompass the entire planet and are visible from Earth.
• Why asteroid 2024 YR4 is unlikely to hit Earth in 2032 and how scientists keep track
  2025-02-13
  The threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes rush to track its course. But the chance of an impact is still quite slim.

SciTechDaily

• Will Asteroid 2024 YR4 Strike Earth? NASA Revises Impact Probability
  2025-02-20
  Astronomers are closely monitoring asteroid 2024 YR4, which once had the highest recorded impact probability for its size. Current estimates place its chance of hitting Earth at 1.5% in 2032, with a smaller risk for the Moon. With the full moon now past, the skies have darkened, allowing astronomers to ...

Science Daily

• Deposits found on a nearby asteroid point to salty water in the outer Solar System
  2025-02-14
  Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their proximity also offers ample opportunities to learn more about the universe. Ryugu, a 900-meter diameter asteroid in the Apollo belt, has recently proven useful in our search ...

BBC Science

• UN monitors asteroid with a tiny chance of hitting Earth
  2025-02-03
  The asteroid named YR4 has a 1% chance of hitting Earth in 2032
• Asteroid contains building blocks of life, say scientists
  2025-01-29
  Bennu contains minerals and thousands of organic molecules, including the chemical components that make up DNA.
• Reservoir of liquid water found deep in Martian rocks
  2024-08-12
  Studies of quakes detected from the planet's surface found it in the planet's rocky outer crust.
• Asteroid contains building blocks of life, say scientists
  2025-01-29
  Bennu contains minerals and thousands of organic molecules, including the chemical components that make up DNA.

wired.com

• The Odds of a City-Killing Asteroid Hitting Earth Keep Rising
  2025-02-20
  The likelihood of 2024 YR4 colliding with the our planet in 2032 have ticked up to over 3 percent. Is it time to start worrying?

• The Odds of a City-Killing Asteroid Hitting Earth Keep Rising
  2025-02-20
  The likelihood of 2024 YR4 colliding with the our planet in 2032 have ticked up to over 3 percent. Is it time to start worrying?
• This Is Where Asteroid 2024 YR4 Could Strike
  2025-02-13
  There is a 2 percent chance that seven years from now, “the city destroyer” will hit Earth with the force of an 8-megaton nuclear weapon. Here are its possible impact points.
• It’s Spring on Mars—and That Means Violently Explosive Geysers and Avalanches
  2025-02-11
  NASA’s Martian probes have captured photos of the Red Planet’s “extremely active” spring.

LSM.LV

• Pirms septiņiem gadiem Baldones observatorijā atklātu asteroīdu nodēvē par «LU fondu»
  2025-02-18
  Pirms septiņiem gadiem Baldones observatorijā atklātais asteroīds nu ticis pie nosaukuma – "LU fonds", informēja Latvijas Universitātes (LU) fonda pārstāvji.

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