There are signs deep beneath the Pacific Ocean that an exploding star once sent cosmic rays blasting out towards Earth, and ...

Artist's impression of a supernova. By ESO/M. Kornmesser/Wikimedia Commons, CC BY My hypothesis is that remnants of a supernova – an exploding star – had an impact on the Earth’s past climate, causing ...

NEW YORK (AP) — Scientists for the first time have spotted the insides of a dying star as it exploded, offering a rare peek into stellar evolution. Stars can live for millions to trillions of years ...

This illustration provided by W.M. Keck Observatory depicts the insides of an exploding star. (Adam Makarenko/W. M. Keck Observatory via AP) NEW YORK (AP) — Scientists for the first time have spotted ...

This illustration provided by W.M. Keck Observatory depicts the insides of an exploding star. (Adam Makarenko/W. M. Keck Observatory via AP) This illustration provided by W.M. Keck Observatory depicts ...