CHAMPAIGN, Ill. — The death of a massive nearby star billions of years ago offers evidence the sun was born in a star cluster, say astronomers at the University of Illinois at Urbana-Champaign. Rather ...

As astronomers have learned more about the tumultuous and unforgiving nature of the universe, we've been comforted to know that there are no stars in our cosmic backyard threatening to go supernova.

One of our universe's biggest stars has dramatically turned into a rare, yellow 'hypergiant' star, and astronomers aren't sure when it will go supernova.