"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 ...

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

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

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 170-foot asteroid is set to race past Earth today at extraordinary speed, NASA says. Though no impact is expected, ...

The object is hurtling towards the Earth at a zippy 12,616 miles per hour, according to data from the space agency.

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 ...

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 ...

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

The Vera C. Rubin Observatory has officially activated its automated alert system, to explore and detect the object movements in space. The system went live on February 24 and generated ...

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.