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 ...
Some bacteria can take a punch that would crush a submarine. In a new set of impact tests, one desert microbe, Deinococcus ...
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 ...
A super-tough microbe may be able to survive being blasted from Mars into space—opening the door to interplanetary life ...
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 ...
Asteroid 2026 CU1 will sweep past Earth this week at high speed, close enough to attract attention yet deemed safe, raising ...
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 ...
The 2024 YR4 asteroid may come close to Earth, but how do experts calculate this potential impact?
A 170-foot asteroid is set to race past Earth today at extraordinary speed, NASA says. Though no impact is expected, scientists are watching closely. What makes this flyby worth attention?
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