An unusual disc-shaped object from space landed last month on the barren sands of a U.S. military testing ground. Scorched from its fiery journey through the atmosphere, the capsule was lifted by ...

A NASA scientist has warned that thousands of city-killing asteroids could strike Earth, and there’s currently no defense ...

For nearly a quarter-century, the nonprofit B612 Foundation has helped scientists track dangerous asteroids and educated the public about the threats space rocks pose to Earth.

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

Around 15,000 mid-sized asteroids, known as 'city-killers', are unaccounted for as they zoom around space close to planet ...

Checking in with the OSIRIS-REx: Sample Return team and scientists from SPACEWATCH. We visit the University of Arizona’s Lunar and Planetary Laboratory to learn about recent missions to visit ...

National News Challenging What NASA Knows About Asteroids Thousands of asteroids are passing through Earth’s neighborhood all the time. Although the odds of a direct hit on the planet any time soon ...

Humanity needs to step up its asteroid-hunting game. To date, astronomers have spotted more than 8,000 near-Earth asteroids that are at least 460 feet (140 meters) wide — big enough to wipe out an ...

NASA has made an alarming admission, revealing it has no idea where thousands of ginormous asteroids are currently located. The space rocks have terrifyingly been dubbed 'city killers' due to their ...

An illustration of NASA's Psyche spacecraft near the surface of a metal-rich asteroid that scientists say is similar to the building blocks of rocky planets such as Earth. (Maxar/ASU/Peter Rubin) An ...