The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

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

“What keeps me up at night is the asteroids we don’t know about," said NASA's planetary defense chief.

For nearly a quarter-century, the nonprofit B612 Foundation has helped scientists track dangerous asteroids and educated the ...

NASA's head of planetary defence, Dr Kelly Fast, has issued an unsettling update on thousands of ‘city-killer’ asteroids that could hit Earth.

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

The asteroid, dubbed YR4, was first discovered in December 2024. There’s the good (Earth is no longer at risk of a direct hit from an asteroid dubbed 2024 YR4); the bad (shrapnel could cause extensive ...

A study found that these cosmic bodies appear to hold up remarkably well to sudden energy deposition and shock conditions, so we may be able to knock them off course and avoid disaster.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A potential asteroid strike on the moon calculated by NASA ...

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists' minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...