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

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 ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

I spoke to Unistellar co-founder and SETI astronomer Franck Marchis about how citizen scientists are using smart telescopes to engage in planetary defense, research and observational astronomy. Here’s ...

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 ...

NASA is monitoring a house-sized asteroid that is speeding towards Earth at more than 26,200 miles per hour, according to the space agency's Center for Near Earth Object Studies (CNEOS). The space ...

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 ...

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 ...