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

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

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 ...

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?

An asteroid the size of a building could collide with the Moon in 2032 and generate a flash visible from Earth.

A brilliant fireball streaked across the skies over South Louisiana Monday evening, captured on video by multiple viewers and ...

Stargazers from Inverclyde are light years ahead of their peers after landing one of the world's most celebrated ...

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 ...

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

NASA's James Webb Space Telescope is tracking asteroid 2024 YR4, which has a small chance of hitting the Moon in 2032, to refine its trajectory and improve prediction models.

Some bacteria can take a punch that would crush a submarine. In a new set of impact tests, one desert microbe, Deinococcus ...

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