Betelgeuse, the red supergiant anchoring Orion’s left shoulder, will one day run out of fuel and collapse into a supernova ...

A new video provides a front-row seat to a cosmic drama that has been playing out for centuries. Since 1604, when astronomers around the world recorded a new 'star' that appeared in the sky, humans ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Chandra X-ray Observatory releases its longest-spanning video of X-ray data yet. - NASA / CXC / SAO / Pan-STARRS ...

Scientists have captured the moment the shockwave of a supernova explosion breaks out through the surface of a doomed star for the first time, revealing what appears to be a surprisingly symmetrical ...

Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion. Dark energy makes up approximately 68% of ...