Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can explode not once, but twice before fading forever. Using the European Southern ...

The Hubble telescope shows stars exploding near a giant plasma beam shooting out from a black hole. The beam, named M87 jet, is 3,000 light years long and is moving through space at almost the speed ...

There are a lot of ways for dead stars to blow their tops. Astronomers discovered this explosive diversity when they assessed ...

For centuries, scientists have studied supernovae mostly after the damage was already done, looking at remnants long after ...

Dark matter, if it exists, is probably in the latter category. If hypothetical weakly interacting massive particles (WIMPs) are real, their collisions with regular matter may have left fossil traces ...