An exploding star may have sent cosmic shrapnel flying to hit Earth 10 million years ago, and astronomers have now narrowed down the most likely culprits behind this interstellar incident. Earlier ...

An explosive new space image reveals a star's inner conflict hours before it blew up. The picture shows the inside of a star turning on itself in the short time before it spectacularly exploded, ...

NASA’s Chandra X-ray Observatory has produced the first resolved image of an astrosphere surrounding a Sun-like star, capturing a massive bubble of hot gas blown outward by fierce stellar winds. The ...