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 ...

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

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

NASA experts are raising alarms about the growing threat posed bynear-Earth asteroids, with some of these objects having 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.

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 ...

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

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 ...

The Planetary Science and Astrobiology Decadal Survey 2023-2032 will assess key scientific questions in planetary science and astrobiology, identify priority medium- and large-class missions and other ...