The early stages of a supernova explosion are revelatory in what they can reveal about stars that go boom. But while catching them immediately after they detonate has proven largely elusive, ...

A supernova observed last year was so bright–about 100 times as luminous as a typical supernova–that it challenged the theoretical understanding of what causes supernovae. But Stan Woosley, professor ...

An overview of Betelgeuse - How stars function - The significance of Kepler's Supernova - What supernovae are - Recent research findings - Predictions for what will happen when Betelgeuse goes ...