Learn how bacteria survived a simulated asteroid impact and could travel between planets on asteroid debris.

Helium-3 dating reveals new plankton species emerged within thousands—and sometimes just 2,000—years after the dinosaur-killing impact, showing life recovered far faster than assumed.

Samples from Ryugu, a small, near-Earth asteroid, preserve natural remanent magnetization (NRM) from the early history of the solar system. However, despite multiple studies, there is currently no ...

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

China’s Tianwen-2 probe operating normally on approach to asteroid China’s Tianwen-2 spacecraft is operating normally on its way to a near-Earth asteroid ahead of sampling later this year, according ...

In Madison and nearby southeast Missouri counties, William Jud, a Fredericktown geologist, may have identified a buried ...

On nights when an asteroid is scheduled to pass Earth, a certain type of silence is present. It's not a storm warning's ...

Asteroid 2025 TF's closest approach was about ~186 miles (300 km) from Earth. It is estimated to be about 2 meters (6.5 feet) ...

A car sized asteroid can sound like a cliffhanger, yet the real tension lives in the math. NASA’s trackers list 2026 CR2 for ...

A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

Our planet is currently defenseless against “city killer” asteroids, noting “we don’t know where they are,” a leading scientist has warned this week. Astronomer Kelly Fast, NASA’s planetary defense ...