News About Asteroids And Comets
July 14, 2025
Massive Boulders Ejected During DART Mission Complicate Future Asteroid Deflection Efforts

College Park MD (SPX) Jul 11, 2025
University of Maryland astronomers discovered that an unexpected blast of space rocks ejected during DART mission carried three times more momentum than the spacecraft itself, leading to new insights for future planetary defense missions. When NASA's DART spacecraft slammed into the asteroid moon Dimorphos in September 2022, it didn't just change the asteroid's orbit as intended-it unleashed a massive barrage of boulders that carried more than three times the momentum of the spacecraft itself. ... read more
Newly discovered interstellar object 'may be oldest comet ever seen'
London, UK (SPX) Jul 14, 2025
A mystery interstellar object discovered last week is likely to be the oldest comet ever seen - possibly predating our solar system by more than three billion years, researchers say. The "wate ... more
Comet believed to be 3 billion years older than our solar system
Washington DC (UPI) Jul 11, 2025
Scientists believe an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever encountered. ... more
NASA spacecraft captures detailed images of Donaldjohanson asteroid
Los Angeles CA (SPX) Jul 07, 2025
Scientists from NASA's Lucy mission have completed initial analysis of data gathered during the spacecraft's April 20 flyby of the main-belt asteroid Donaldjohanson. Images taken by Lucy's L'LORRI i ... more
Third-ever confirmed interstellar object blazing through Solar System
Paris (AFP) July 3, 2025
Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System - only the third ever spotted, though scientists suspect many more may slip past unnoticed. ... more
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NASA raises chance for asteroid to hit moon
Washington DC (UPI) Jun 19, 2025
NASA has announced that an asteroid about 200 feet in diameter is now slightly more likely to crash into the moon. ... more
Asteroid 2024 YR4 poses low risk of Moon impact in 2032
Paris, France (SPX) Jun 30, 2025
Asteroid 2024 YR4 gained attention after its discovery in late December 2024, when automated systems indicated a small chance of Earth impact in 2032. This probability briefly rose to 3%, prompting ... more
Earth's satellites at risk if asteroid smashes into Moon: study
Paris (AFP) June 23, 2025
If a huge asteroid smashes into the Moon in 2032, the gigantic explosion would send debris streaming towards Earth that would threaten satellites and create a spectacular meteor shower, according to researchers. ... more
Ethical and legal clarity urged as planetary defense faces asteroid threats
Sydney, Australia (SPX) Jun 17, 2025
A potentially catastrophic asteroid impact may seem like science fiction, yet the possibility remains real. Earlier this year, asteroid 2024 YR4 briefly raised alarms with a 1-2 percent chance of co ... more
ESA Flyeye telescope begins full sky survey for asteroid detection
Paris, France (SPX) Jun 12, 2025
The European Space Agency's Flyeye telescope has officially commenced operations, capturing its first celestial images and marking a significant advancement in the detection of near-Earth asteroids ... more
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Millions of new solar system objects to be found and 'filmed in technicolor'
Los Angeles CA (SPX) Jun 04, 2025
A group of astronomers from across the globe, including a team from the University of Washington and led by Queen's University Belfast, have revealed new research showing that millions of new solar ... more
China launches space probe seeking asteroid samples: Xinhua
Beijing (AFP) May 28, 2025
China on Thursday launched a space probe on the country's first mission to retrieve samples from an asteroid and bring them home for research, the Xinhua state news agency reported. ... more
China launches Tianwen-2 asteroid and comet study mission
Washington DC (UPI) May 28, 2025
China Wednesday launched its Tianwen-2 space mission to collect asteroid samples and conduct a main-belt comet study. A LongMarch 3B rocket lifted off from Xichang Satellite Launch Center. ... more
Redwire delivers flight computer for ESAs Comet Interceptor mission targeting primordial comet
Los Angeles CA (SPX) May 28, 2025
Redwire Corporation (NYSE: RDW) has delivered the onboard computer for the European Space Agency's Comet Interceptor mission, marking a significant milestone in the development of the pioneering spa ... more
Politecnico di Milano to help chart Apophis asteroid during 2028 deep space mission
Milan, Italy (SPX) May 28, 2025
Politecnico di Milano is gearing up for a return to deep space as part of the European Space Agency's 2028 RAMSES mission, which will study the near-Earth asteroid Apophis during its exceptionally c ... more
Numerical models uncover how barred olivine crystals formed in ancient meteorites

Tokyo, Japan (SPX) May 26, 2025
Researchers from Nagoya City University and Tohoku University have successfully simulated the formation of barred olivine, a rare mineral texture found in chondrules-small spherical particles within meteorites dating back to the early solar system. Unlike textures in Earth rocks, barred olivine is unique to these primordial materials. Led by Associate Professor Hitoshi Miura, the team used a phase-field model to numerically reproduce barred olivine structures, offering new insight into how these t ... read more
Second CubeSat added to ESAs Ramses mission for close study of Apophis
Paris, France (SPX) May 21, 2025
ESA is expanding its Ramses mission to asteroid Apophis with the addition of a second CubeSat, further enhancing scientific efforts to study the asteroid during its extremely close approach to Earth ... more

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Ancient pollen reveals stories about Earth's history, from the asteroid strike that killed the dinosaurs to the Mayan collapse
Rolla MO (SPX) May 21, 2025
If you are sneezing this spring, you are not alone. Every year, plants release billions of pollen grains into the air, specks of male reproductive material that many of us notice only when we get wa ... more
Laser ultrasound used to reveal the elasticity of space rock for the first time
Nottingham UK (SPX) May 20, 2025
Scientists and engineers at the University of Nottingham have measured the stiffness of space rock for the first time. Many meteorites are made of crystalline materials, formed under exotic co ... more
China Prepares for Launch of Tianwen 2 Asteroid Sample-Return Mission
Tokyo, Japan (SPX) May 19, 2025
China is set to launch its first asteroid sample-return mission, Tianwen 2, within the next two weeks from the Xichang Satellite Launch Center in Sichuan province, as confirmed by the China National ... more
Why collect asteroid samples
Los Angeles CA (SPX) May 13, 2025
China's Tianwen-2 asteroid sample return mission is set to launch this month, May 2025, en route to the asteroid Kamo?oalewa (2016 HO3). The country could join the United States and Japan, whose spa ... more
New analysis upends belief that asteroid Vesta has planetary interior
East Lansing MI (SPX) Apr 30, 2025
For decades, scientists believed Vesta, one of the largest objects in our solar system's asteroid belt, wasn't just an asteroid. They concluded that Vesta has a crust, mantle and core - fundamental ... more
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