The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

Should any asteroids ever do pose a serious threat to Earth, the world's space agencies have for years begun to build a planetary defense against dangerous space rocks. "We aren’t just waiting ...

NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.

Scientists found that an asteroid impact carved two massive canyons on the moon in minutes. High-speed debris helped shape ...

Its official name is the Apollo Lunar Sample Return Container No. 1008, but everyone, including Teasel Muir-Harmony, curator ...

which keeps close tabs on space rocks’ trajectories and flags potentially dangerous asteroids. “It’s still not bulletproof,” he said, “and the issue is the number of new launches of ...

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...

Closest approach will take the spacecraft just 160 miles above the surface of Mercury ... a harmless asteroid to practice thwarting a space rock, should a hazardous one ever be on a collision ...

The answer to this question is hard to believe — it all started with a rock. Asteroids ... supportive of the theory that life could have originated from asteroids landing on Earth’s surface. When the ...

According to the experiments of Mr. Waterhouse, a space of time no longer than one ... which appears to the eye as smooth as a stem of crystal, if seen or photographed by the light of the electric ...

Asteroid Bennu wasn’t what NASA expected. Instead of a smooth surface for sample collection, OSIRIS-REx encountered a chaotic ...