NASA astronaut and ISS commander Sunita Williams is preparing for a spacewalk, likely scheduled for 2025. Williams, a veteran ...

MIT astronomers have found a way to spot the smallest, “decameter,” asteroids within the main asteroid belt. They used their ...

The asteroid that extinguished the dinosaurs is estimated to have been about 10 kilometers across. That's about as wide as ...

Researchers were able to discover over 100 small asteroids in the main asteroid belt. These asteroids, ranging from the size of a bus to a stadium, are the smallest ever detected in this region.

According to NASA, the annual Geminid meteor shower is "considered to be one of the best and most reliable" shows of the year ...

NASA and China are both advancing planetary defense strategies, with missions to monitor asteroid threats to Earth. Can they ...

The Geminids, one of the final meteor showers of 2024 to reach its annual peak, is also considered among astronomers to be the one of the year's best.

The project, which gave astronomers a detailed view of near-Earth objects, ended its mission and re-entered the atmosphere ...

"The significance of this discovery lies in the fact that it would confirm the existence of internal energy sources that ...

The stadium-size asteroid is considered a "potentially hazardous object," but poses no threat to Earth this year.

A small asteroid barreled toward Earth, creating a harmless fireball across the skies above eastern Russia on Tuesday, ...

The massive space rock is large enough to wipe out a small city, and it’s moving toward Earth at about 27,500 miles per hour, ...