What if some black holes aren’t black holes at all? A new theoretical study suggests that when a massive star collapses, it ...

Any night now, a “new star” or nova will appear in the night sky. While it won’t set the sky ablaze, it’s a special opportunity to see a rare event that’s usually difficult to predict in advance. The ...

If you live in a bright, bustling city—or just don’t have easy access to a planetarium—getting a clear view of the stars can be tough. Light pollution often drowns out the night sky, and truly dark ...