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 ...

Observations from the Dark Energy Camera show the evolution of a supernova, including a bright blue source of light before the explosion (top box), the initial blast ...

The Mystery of Stellar Remnants For years, astronomers have known that most stars in our galaxy, the Milky Way, are not lone ...

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.

In March, a brief flash of X-rays lit up the sky in a distant galaxy. It lasted only moments, but it carried a profound message: a star had just begun to die. Get breaking news anytime, anywhere.