For the first time in its history, humanity is assembling a coordinated system to find, track, and deflect asteroids that could threaten life on Earth. The architecture involves a space-based infrared ...

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

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

China is recruiting for a planetary defense force amid growing global focus on the risk of asteroids colliding with Earth.

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

Space agencies around the globe have launched an unprecedented wave of planetary defense exercises, all centered on a mysterious interstellar visitor that refuses to behave like anything scientists ...

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 ...

NASA planetary defense experts report that mid-size near-Earth asteroids could cause regional damage, with detection and deflection remaining limited, according to New York Post and AAAS reports.

NASA planetary defense experts warn that up to 15,000 undetected asteroids could devastate a major city on Earth.

The Panel on Mars is one of six panels providing topical input to the Planetary Science and Astrobiology Decadal Survey Steering Group. This panel will discuss the role played by focused studies of ...