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 ...

WASHINGTON (Reuters) -The explosive death of a star - a supernova - is among the most violent cosmic events, but precisely how this cataclysm looks as it unfolds has remained mysterious. Scientists ...

Astronomers have, for the first time, recorded the moment a star’s explosion broke through its surface. The nearby supernova, SN 2024ggi, revealed a surprisingly olive-shaped blast when studied with ...

A distant stellar explosion has offered astronomers a rare natural experiment, one that turns gravity into a powerful optical tool. The object, known as SN 2025wny, appears not once but four times in ...