For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...

A cosmic explosion unlike any seen before has prompted astronomers to rethink long-standing ideas about the universe’s most ...

Elon Musk’s rapidly expanding satellite fleets are colliding with one of the most delicate frontiers in science: the effort to capture fleeting, once-in-a-lifetime events in the distant universe.

A rare blast from the sun has just pushed radiation in Earth’s atmosphere to levels not seen in nearly two decades, briefly ...