Astronomers studying a distant superluminous supernova uncovered a strange pattern hidden in its light: a rapidly ...

In an unprecedented discovery, astronomers have observed a new type of supernova that seems to defy the very principles of stellar evolution that have been held for decades. The supernova, named ...

A supernova witnessed nearly 2,000 years ago is back in focus as NASA’s powerful X-ray telescope uncovers a hidden cosmic ...

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 ...

A new discovery about what happens when a supernova – an exploding star – and a black hole collide could change the way scientists understand the lives and deaths of stars. The finding was the first ...

The ‘guest star’ of 185 AD has been one of astronomy's most unresolved cases for over 1800 years. Ancient Chinese chroniclers ...

Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...