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

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 ...

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

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

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

The discovery is just the latest to come from the asteroid sample, which dates back to the dawn of the solar system.

She’s worried about the a-rock-alypse. A planetary defense expert is warning that humanity is defenseless against up to 15,000 undetected near-Earth asteroids that have the potential to take out a ...

Tiny grains of dust from asteroid Bennu are reshaping how scientists think life’s ingredients formed in space.

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

It was likely debris from Kosmos 482 — a Soviet spacecraft launched in 1972 as part of a mission to Venus. The launch failed.

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.