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 now have observed for ...

When one supernova commenced, it looked like an olive — at least before it got shaken and stirred. This insight, reported in the Nov. 12 Science Advances, comes from new observations taken in the wake ...

Type 1a supernovae are of special significance to astronomers because all are believed to have essentially the same intrinsic brightness, and because they can be observed from great distances. Thus, ...