Astronomers may have discovered one of the clearest examples yet of a rare "pair-instability" supernova. It is a catastrophic ...

Astronomers initially thought the explosion was a Type II supernova, but some things just didn't add up.

In May, a star in the Pinwheel galaxy exploded in just the right place at nearly the right time for astronomers to unravel details of its death. It was the closest supernova to go off in the last five ...