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NASA CNEOS

• News
  2024-12-04
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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

• 2 huge asteroid strikes 36 million years ago didn't change Earth's climate over the long haul, study finds
  2024-12-11
  Two giant asteroids that struck Earth about 36 million years ago did not cause any long-lasting shifts to our planet's climate, according to new research.

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.

EarthSky

• LIVE TODAY: Geminid meteor shower 2024 prospects and tips
  2024-12-11
  The 2024 Geminid meteor shower peaks overnight December 13-14 in a moonlit sky. You may see up to 120 meteors per hour under ideal conditions. The post LIVE TODAY: Geminid meteor shower 2024 prospects and tips first appeared on EarthSky.
• Mysterious 3200 Phaethon: Parent to the Geminids
  2024-12-11
  3200 Phaethon is the weird comet-like asteroid that spawns the Geminid meteor shower. New research reveals more answers ... and questions. The post Mysterious 3200 Phaethon: Parent to the Geminids first appeared on EarthSky.

The Planetary Society

• 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.
• 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.

Space Daily

• BepiColombo achieves milestone with mid-infrared observations of Mercury
  2024-12-11
  Paris, France (SPX) Dec 10, 2024 On December 1, 2024, the European Space Agency's BepiColombo mission completed its fifth flyby of Mercury, marking a historic first by capturing the planet in mid-infrared light. The unprecedented images provide fresh insights into the temperature and mineral composition of Mercury's cratered surface. Mercury, the ...

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

• China plans to retrieve Mars samples by 2031
  2024-12-05
  China's growing presence in space has been undeniable since the turn of the century. Between sending the first "taikonaut" to space in 2003 (Yang Liwei), launching the first Chinese robotic mission to the moon (Chang'e-1) in 2007, and the deployment of their Tiangong space station between 2021 and 2022, China ...
• New evidence of organic material identified on Ceres, the inner solar system's most water-rich object after Earth
  2024-12-04
  Six years ago, NASA's Dawn mission communicated with Earth for the last time, ending its exploration of Ceres and Vesta, the two largest bodies in the asteroid belt. Since then, Ceres —a water-rich dwarf planet showing signs of geological activity— has been at the center of intense debates about its ...
• Team links comet water to Earth's oceans
  2024-12-03
  Researchers have found that water on Comet 67P/Churyumov–Gerasimenko has a similar molecular signature to the water in Earth's oceans. Contradicting some recent results, this finding reopens the case that Jupiter-family comets like 67P could have helped deliver water to Earth.
• 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.

• Astronomers discover more dark comets
  2024-12-09
  The first dark comet—a celestial object that looks like an asteroid but moves through space like a comet—was reported less than two years ago. Soon after, another six were found. In a new paper, researchers announce the discovery of seven more, doubling the number of known dark comets, and find ...
• Astronomers find the smallest asteroids ever detected in the main belt
  2024-12-09
  The asteroid that extinguished the dinosaurs is estimated to have been about 10 kilometers across. That's about as wide as Brooklyn. Such a massive impactor is predicted to hit Earth rarely, once every 100 million to 500 million years.
• The moon's biggest and most ancient crater is more circular than previously thought
  2024-12-06
  The South Pole-Aitken basin is the moon's oldest and largest visible crater—a massive geological wound 4 billion years old that preserves secrets about the moon's early history, much like a lunar time capsule.
• Here's how interstellar objects and rogue planets can be trapped in the solar system
  2024-12-05
  When 'Oumuamua traversed our solar system in 2017 it was the first confirmed Interstellar Object (ISO) to do so. Then in 2019, Comet 2l/Borisov did the same thing. These are the only two confirmed ISOs to visit our solar system. Many more ISOs must have visited in our solar system's ...
• China plans to retrieve Mars samples by 2031
  2024-12-05
  China's growing presence in space has been undeniable since the turn of the century. Between sending the first "taikonaut" to space in 2003 (Yang Liwei), launching the first Chinese robotic mission to the moon (Chang'e-1) in 2007, and the deployment of their Tiangong space station between 2021 and 2022, China ...
• New evidence of organic material identified on Ceres, the inner solar system's most water-rich object after Earth
  2024-12-04
  Six years ago, NASA's Dawn mission communicated with Earth for the last time, ending its exploration of Ceres and Vesta, the two largest bodies in the asteroid belt. Since then, Ceres —a water-rich dwarf planet showing signs of geological activity— has been at the center of intense debates about its ...
• Team links comet water to Earth's oceans
  2024-12-03
  Researchers have found that water on Comet 67P/Churyumov–Gerasimenko has a similar molecular signature to the water in Earth's oceans. Contradicting some recent results, this finding reopens the case that Jupiter-family comets like 67P could have helped deliver water to Earth.
• Planetary scientists confirm new main-belt comet
  2024-12-03
  A mysterious object discovered in the main asteroid belt in 2021 was determined to be a main-belt comet by Planetary Science Institute Senior Scientist Henry Hsieh, Scott Sheppard of the Carnegie Institution for Science and Audrey Thirouin of Lowell Observatory.
• Perseverance now arriving at Pico Turquino
  2024-12-03
  Perseverance has been continuing its sightseeing tour of the Jezero crater rim, with this week's travel itinerary including an up-close look at Pico Turquino. Here, the team hopes to investigate the history recorded in this approximately 200-meter-long region (about 656 feet) of exposed outcrop.

• How to catch the Geminids, one of the strongest meteor showers of the year
  2024-12-11
  The Geminids — among the few major meteor showers to come from asteroids — peak on Friday. It's one of the year's last chances to see fireballs in the sky.
• Could we use an asteroid to shield astronauts on their way to Mars?
  2024-12-05
  Radiation is a primary concern for long-duration human spaceflight, such as the planned trips to Mars, which are the stated goal of organizations such as NASA and SpaceX. Shielding is the standard way to protect astronauts from radiation during those flights. However, shielding is heavy and, therefore, expensive when it ...
• Trump may cancel NASA's powerful SLS Moon rocket—what that would mean for Elon Musk and the future of space travel
  2024-12-02
  Since Donald Trump's recent electoral victory, rumors and speculation have circulated that Nasa's giant moon rocket, the Space Launch System (SLS), could be under threat. The rocket is one of several key elements needed for the US space agency's Artemis program, which aims to return humans to the moon for ...
• OKEANOS—A mission that would have returned samples from the Trojan asteroids
  2024-11-26
  Getting a mission to the point of officially being accepted for launch is an ordeal. However, even when they aren't selected for implementation, their ideas, and in some cases, their technologies, can live on in other missions. That was the case for the Oversize Kite-craft for Exploration and AstroNautics in ...

SciTechDaily

• MIT Unveils Breakthrough in Detecting Tiny Asteroids, Boosting Planetary Defense
  2024-12-11
  Researchers at MIT have developed a method to detect small asteroids in the main asteroid belt, significantly improving our ability to spot objects as little as 10 meters across. This new technique, which identified 138 space rocks ranging from bus- to stadium-sized, allows for earlier detection and better tracking of ...
• Hidden Organic Reservoirs Found on Ceres, Igniting Hopes for Alien Life
  2024-12-11
  Researchers used data from NASA’s Dawn mission to uncover new evidence of internal organic material reservoirs on Ceres, the dwarf planet. Their study builds on the initial 2017 findings of organic compounds near Ceres’ Ernutet crater. These compounds, previously thought to have been deposited by cometary or asteroidal impacts, are ...

Science Daily

• Astronomers find the smallest asteroids ever detected in the main belt
  2024-12-09
  Astronomers have found a way to spot the smallest, 'decameter,' asteroids within the main asteroid belt. They used their approach to detect more than 100 new asteroids, ranging from the size of a bus to several stadiums wide, which are the smallest asteroids within the main belt detected to date.

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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