New research explains why some black holes are missing, showing how exploding stars stop certain black holes from forming.

This is an artist's impression of a supernova. Aaron Geller (Northwestern University) A supernova at least twice as bright and energetic, and likely much more massive than any yet recorded has been ...

Explosion of Two Merged Stars Confirms 'Pulsational Pair-Instability' Supernova Theory, Previously Only Theoretical Explosion of two merged stars…a 'pulsational pair-instability' supernova that had ...