Astronomy on MSN

July 4, 1054: The Crab Nebula supernova explodes

On July 4, 1054, a supernova explosion occurred, marking the death of a star thought to be nine to 11 times more massive than ...
Bright Side on MSN

Astronomers witness a historic supernova explosion for the first time

For the first time, astronomers have captured the breathtaking moment of a supernova explosion. This cosmic event reveals the ...