Estimating the mass of a potentially dangerous asteroid remains a key parameter for planetary protection, but traditional radio frequency tracking methods do not allow accurate measurement of small ...

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

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

A super-tough microbe may be able to survive being blasted from Mars into space—opening the door to interplanetary life ...

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

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

Asteroid 2026 CU1 will sweep past Earth this week at high speed, close enough to attract attention yet deemed safe, raising ...

This meant subjecting microbes to minimum pressures equivalent to ten times those of the Mariana Trench, the deepest part of ...

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to protect Earth from the threat of an asteroid impact. By smashing a ...

The dinosaurs were wiped out by an asteroid, but does that mean we risk suffering the same fate - and should you be worried about the possibility? Leah Crane sets the matter straight ...

A small asteroid flew 266 miles over Antarctica. It was too small to pose a threat, but objects of that size can produce ...

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 ...