One of Elon Musk’s companies, SpaceX, recently acquired another of his companies, xAI. SpaceX is now the world’s largest ...

Asteroid 2024 YR4 is no longer headed for Earth, but the fear it caused has astronomers worried about scare tones in the media. The asteroid initially had an approximate 3% chance for impact with ...

What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory. What if asteroids, long feared as destroyers of life, were key to our existence? Explore a ...

When people think about asteroid impacts, they usually focus on size and dramatic headlines. But scientists evaluate risk very differently. This report explains which asteroids actually concern ...

Imagine a time when Earth was a molten, volcanic wasteland, heavily bombarded by colossal asteroids. We’ve long feared these cosmic impacts as destroyers of life, but what if they were the key to our ...

NPR's Ailsa Chang speaks to astronomer Sarah Greenstreet about her team's new discovery of the fastest-spinning large asteroid known to man. Forget world records because astronomers recently announced ...