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NASA CNEOS

• News
  2024-11-23
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• 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 System Predicts Impact of Small Asteroid
  2022-03-15
  A small asteroid hit Earth’s atmosphere over the Norwegian Sea before disintegrating on March 11, 2022. But this event wasn’t a complete surprise: Astronomers knew it was on a collision course, predicting exactly where and when the impact would happen.
• NASA’s Next-Generation Asteroid Impact Monitoring System Goes Online
  2021-12-06
  To date, nearly 28,000 near-Earth asteroids (NEAs) have been found by survey telescopes that continually scan the night sky, adding new discoveries at a rate of about 3,000 per year. But as larger and more advanced survey telescopes turbocharge the search over the next few years, a rapid uptick in ...

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

• Did alien life exist in hot water on Mars billions of years ago?
  2024-11-22
  Was alien life in "hot water" on Mars billions of years ago? New evidence from the Martian meteorite "Black Beauty" suggests so.

Astronomy Now

• The Dark Tower
  2024-11-03
  This eerie, dark silhouette is a cometary globule designated GN 16.43.7.01. Despite their name, cometary globules have nothing to do with comets, beyond having a similar shape of a dusty head with a tail.
• Comet C/2023 A3 (Tsuchinshan-ATLAS) emerges bright in UK’s evening sky
  2024-10-12
  Following month’s of speculation, C/2023 A3 (Tsuchinshan-ATLAS) has emerged into the UK’s evening sky as a bright comet in the afterglow of the setting Sun.

Univere Today

• There was Hot Water on Mars 4.45 Billion Years Ago
  2024-11-23
  Mars formed 4.5 billion years ago, roughly the same time as the Earth. We know that water was stable on Earth since about 4.3 billion years ago, but when was it present on Mars? Researchers investigated a meteorite that originated from Mars and found zircon crystals that date back to ...
• New Supercomputer Simulation Explains How Mars Got Its Moons
  2024-11-22
  One mystery in planetary science is a satisfying origin story for Mars's moons, Phobos and Deimos. Were they chunks of Mars blasted into space by a meteor impact? Were they captured asteroids from the belt? A new supercomputer simulation found that a reasonable explanation could come from a massive asteroid ...
• Here’s What We Know About Earth’s Temporary Mini-Moon
  2024-11-21
  For a little over a month now, the Earth has been joined by a new ‘mini-moon.’ The object is an asteroid that has been temporarily accompanying Earth on its journey around the Sun. By 25th November it will have departed but before then, astronomers across the world have been turning ...

The Planetary Society

• 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.
• Cloudy skies, smooth sailing
  2024-09-27
  A Martian cloud atlas, LightSail wins big, and multiple missions coast toward launch.
• How to spot Comet Tsuchinshan-Atlas
  2024-09-26
  Catch this once-in-a-lifetime comet over the next few days.
• The Hera launch: What to expect
  2024-09-26
  The European Space Agency (ESA) is preparing to launch a mission to study the aftermath of DART's impact on the asteroid moonlet Dimorphos.
• New insights into asteroid properties: A STEP Grant update
  2024-09-13
  A Planetary Society-funded project to understand asteroids achieved its main goals and scientific objectives this year.
• Wow! Boom! Ultra cool!
  2024-08-23
  The “Wow!" signal has a new explanation, and an ultra-cool experiment advances quantum sensing in space. Plus, making an asteroid go “boom!” might work, depending on the circumstances.
• Ramses: A new mission racing to land on asteroid Apophis
  2024-08-22
  When a skyscraper-sized asteroid narrowly misses Earth in 2029, three spacecraft may be along for the ride.
• What would happen if we nuked an asteroid?
  2024-08-20
  Detonating a nuclear weapon on or near an asteroid is one of several options for defending the Earth from an impact. Here's what nuking an asteroid might actually do, and why it isn't always the best option.

Space Daily

• ESA and Japan expand collaboration in space exploration
  2024-11-24
  Paris, France (SPX) Nov 22, 2024 The European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA) have signed a new joint statement to deepen their partnership across asteroid, lunar, and planetary exploration. Signed on November 20 by ESA Director General Josef Aschbacher and JAXA President Yamakawa Hiroshi in Tsukuba, ...
• Making Mars' Moons: Supercomputers Offer 'Disruptive' New Explanation
  2024-11-24
  Moffett Field CA (SPX) Nov 21, 2024 A NASA study using a series of supercomputer simulations reveals a potential new solution to a longstanding Martian mystery: How did Mars get its moons? The first step, the findings say, may have involved the destruction of an asteroid. The research team, led by ...

The Space Review

• 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 ...
• It's not easy being a Martian
  2023-09-05
  The Fox reality TV series "Stars on Mars" wrapped up recently with one "celebronaut" crowned as winner. The series, Dwayne Day explains, also provided useful lessons for real missions to the Red Planet.

Phys.org

• Ryugu asteroid sample rapidly colonized by terrestrial life despite strict contamination control
  2024-11-22
  Panspermia is the hypothesis that life can survive the transfer between planetary bodies as a secondary path for life to get started on planets throughout a solar system. The discovery of extraterrestrial life on asteroids or within meteorites would have profound implications for understanding the origins and distribution of life ...
• What's behind the Martian methane mystery?
  2024-11-18
  The seasonal variations of methane in the Martian atmosphere is an intriguing clue that there might be life hiding under the surface of the red planet. But we won't know for sure until we go digging for it.
• Giant meteorite impact 3.26 billion years ago may have aided early life
  2024-10-21
  Billions of years ago, long before anything resembling life as we know it existed, meteorites frequently pummeled the planet. One such space rock crashed down about 3.26 billion years ago, and even today, it's revealing secrets about Earth's past.
• How did the building blocks of life arrive on Earth? Zinc fingerprints in meteorites offer clues
  2024-10-11
  Researchers have used the chemical fingerprints of zinc contained in meteorites to determine the origin of volatile elements on Earth. The results suggest that without 'unmelted' asteroids, there may not have been enough of these compounds on Earth for life to emerge.
• Ryugu sample analyses show asteroids may have delivered compounds needed to start life on Earth
  2024-10-08
  An international team of researchers with a wide range of backgrounds has found evidence of asteroids providing the compounds necessary for life to get its start on Earth. In their paper published in the journal Nature Astronomy, the group describes their study of a small sample of material collected from ...
• Investigating the possibility of using asteroid material to grow edible biomass for astronauts
  2024-10-04
  A team of engineers and planetary scientists at Western University's Institute for Earth and Space Exploration, in Canada, has found that it might be possible to produce food for space travelers by feeding bacteria asteroid material, resulting in the growth of an edible biomass.

• Scientists construct first complete energy spectrum of solar high-energy protons in Martian space
  2024-11-22
  Scientists have constructed the first complete proton energy spectrum observed during an eruptive solar event in Martian space, deepening our understanding of the radiation environment around Mars.
• As Taurid meteor shower passes Earth, pseudoscience rains down—obscuring potential real threat from space
  2024-11-18
  With the Taurid meteor shower now hitting the night skies worldwide, look for what could be a celestial treat—you might see shooting stars, and maybe even fireballs, the biggest and brightest meteors.

• Niagara fireball event leads to discovery of tiniest known asteroid
  2024-11-22
  In an international study led by Western University and Lowell Observatory, scientists describe a pioneering, integrative approach for studying near-Earth asteroids based largely on a November 2022 fireball event that dropped meteorites in the Niagara region.
• Ryugu asteroid sample rapidly colonized by terrestrial life despite strict contamination control
  2024-11-22
  Panspermia is the hypothesis that life can survive the transfer between planetary bodies as a secondary path for life to get started on planets throughout a solar system. The discovery of extraterrestrial life on asteroids or within meteorites would have profound implications for understanding the origins and distribution of life ...
• Scientists construct first complete energy spectrum of solar high-energy protons in Martian space
  2024-11-22
  Scientists have constructed the first complete proton energy spectrum observed during an eruptive solar event in Martian space, deepening our understanding of the radiation environment around Mars.
• Making Mars's moons: Supercomputers offer 'disruptive' new explanation
  2024-11-20
  A NASA study using a series of supercomputer simulations reveals a potential new solution to a longstanding Martian mystery: How did Mars get its moons? The first step, the findings say, may have involved the destruction of an asteroid.
• What's behind the Martian methane mystery?
  2024-11-18
  The seasonal variations of methane in the Martian atmosphere is an intriguing clue that there might be life hiding under the surface of the red planet. But we won't know for sure until we go digging for it.
• New lunar map can help guide future sample return missions
  2024-11-18
  Billions of years ago, a giant asteroid struck the moon with so much energy that it melted rock until it was super-heated and white-hot, or what scientists call impact melt. This eventually cooled and hardened, creating a multi-ringed impact crater that is known today as Orientale basin.
• Meteorite contains evidence of liquid water on Mars 742 million years ago
  2024-11-13
  An asteroid struck Mars 11 million years ago and sent pieces of the red planet hurtling through space. One of these chunks of Mars eventually crashed into the Earth somewhere near Purdue University and is one of the few meteorites that can be traced directly to Mars. This meteorite was ...

• As Taurid meteor shower passes Earth, pseudoscience rains down—obscuring potential real threat from space
  2024-11-18
  With the Taurid meteor shower now hitting the night skies worldwide, look for what could be a celestial treat—you might see shooting stars, and maybe even fireballs, the biggest and brightest meteors.
• The Leonid meteor shower peaks as the supermoon wanes
  2024-11-14
  It's a treat to see a supermoon. But that bright glowing orb will still be almost full when the Leonid meteor shower peaks this weekend, likely obscuring all but the brightest meteors in most locations.

BBC Science

• Mega meteorite tore up seabed and boiled Earth's oceans
  2024-10-22
  It was 200 times bigger than the one that wiped out the dinosaurs nearly three billion years later.
• 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.

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