NASA says the Hubble telescope's latest observations have witnessed huge boulders "escaping" from the asteroid Dimorphos. The images are from NASA's DART (Double Asteroid Redirection Test) project.

Stars are so bright and planets so dim by comparison that astronomers can’t study alien worlds directly. They’ve learned plenty through indirect observations, though—that one so-called exoplanet is ...

A video captured on a vehicle's dashboard camera shows what's believed to be a meteor falling from the sky over Florida this week. In the video, which was taken by Drew McKinley and shared to social ...

With its longer, cooler nights, Autumn is an excellent time of year for stargazing, taking in a half-dozen meteor showers (including a potential meteor storm and fireball swarm), and possibly even ...

The fear of an asteroid collision sometimes haunts our imagination, especially after the cataclysmic event that eradicated the dinosaurs 65 million years ago. But what is the actual probability that ...