Earth is hit by asteroids all the time, but to avoid severe damages in the future NASA's Double Asteroid Redirection Test ...

Estimating the mass of a potentially dangerous asteroid remains a key parameter for planetary protection, but traditional ...

Tests conducted with tardigrades suggest that there is something in Martian dirt that dramatically reduces biological ...

Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

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 ...

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

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.

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

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

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

CesiumAstro Inc., a global provider of space and defense communications systems and satellites, today announced the ...