Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old. The event was first signaled by a gamma-ray burst and later confirmed ...

For a long time, the end of the Ice Age felt like a slow fading rather than a sharp break. Mammoths vanished. Old ways of ...

New evidence suggests that a comet explosion over North America may have triggered a massive wave of destruction nearly ...

Astronomers have released a rare time-lapse video showing the violent expansion of a dead star over two decades. The footage ...