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.

NASA's OSIRIS-REx mission is scheduled to return samples of Asteroid Bennu to Earth. Credit: NASA Goddard Space Flight Center ...

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.

Space around the Sun contains far more than planets. Scattered through it are smaller bodies made of rock, metal, ice and ...

One reason for the decline in extinction rates is the growing momentum of conservation efforts. Multiple species have been ...

Scientists discussed the threat of asteroids at a recent conference in Phoenix. Here's what they said.

NASA has raised red flags over growing asteroid threats that could potentially damage the Earth.To one’s surprise, astronomers are unaware of the location of thousands ...

"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.

An experiment on board the ISS tested the use of microorganisms to mine asteroids in the microgravity environment.

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

The universe might have far more amino acids lying around than we realized, which gives life itself far more chances to begin ...