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 radio frequency tracking methods do not allow accurate measurement of small ...

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 ...

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.

NASA experts are raising alarms about the growing threat posed bynear-Earth asteroids, with some of these objects having the potential to cause devastating damage to cities. While some large asteroids ...

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.

Tardigrades, commonly known as water bears, may be better suited by a new name: Tardiguardians of the Galaxy. Unlike the fictional ragtag team of unenthusiastic heroes, the microscopic animals are ...