NASA's Imaging X-ray Polarimetry Explorer reveals the expansion and shock patterns within RCW 86, a supernova observed by ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s illustration depicts silicon, argon and sulfur releasing from a massive star. - Adam Makarenko/W. M. Keck Observatory ...

Scientists discover a star, HD 254577, that survived a supernova and is now racing through space, revealing how the explosion ...

Astronomers studying a distant superluminous supernova uncovered a strange pattern hidden in its light: a rapidly ...

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 ...

Axions are the most likely candidate for enigmatic dark matter that dominates the universe. Astrophysicists are searching for evidence of high-mass axions produced during supernovae. Scientists ...

(CNN) — For six months in 1181, a dying star left a mark in the night sky. The striking object appeared as bright as Saturn in the vicinity of the constellation Cassiopeia, and historical chronicles ...

One of the biggest questions in the scientific world right now revolves around something we can't see, and can't directly detect in any other way either. Based on the movements of galaxies, ...

A new discovery about what happens when a supernova – an exploding star – and a black hole collide could change the way scientists understand the lives and deaths of stars. The finding was the first ...