A Mysteriously Bright Supernova Stunned Scientists: Now They Think They Know the Cause ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s illustration depicts silicon, argon and sulfur releasing from a massive star. - Adam Makarenko/W. M. Keck Observatory ...

WASHINGTON (Reuters) -The explosive death of a star - a supernova - is among the most violent cosmic events, but precisely how this cataclysm looks as it unfolds has remained mysterious. Scientists ...

Scientists have captured the moment the shockwave of a supernova explosion breaks out through the surface of a doomed star for the first time, revealing what appears to be a surprisingly symmetrical ...

WASHINGTON — A supernova - the explosion marking the end of a massive star's life - is one of the brightest cosmic events, usually about a billion times more luminous than the sun. But some - a small ...