Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not touch the sun, but they came close enough to leave a permanent mark on the thin mist of gas that ...

Astronomers have teamed up with citizen scientists to discover a brand-new exploding star that's greedily feeding on a stellar companion. The newly observed binary system features a cataclysmic ...

WASHINGTON — A massive exploding faraway star — the brightest supernova astronomers have ever seen — has scientists wondering whether a similar celestial fireworks show may light up the sky much ...