LONDON — British writer Samantha Harvey has won the Booker Prize for fiction with "Orbital," a short, wonder-filled novel set ...

STEVE is a mysterious purple-white arc near the aurora, typically seen after space disturbances called substorms. A new study reveals a rare STEVE event without a substorm, prompting questions about ...

Astronomers have found a world outside the solar system that could be a stink bomb, with air that smells of rotten eggs and ...

The Arecibo message contained an image of a man only. But what might seem a sexist choice deserves a more subtle ...