Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can explode not once, but twice before fading forever. Using the European Southern ...

Betelgeuse is a massive, unstable, aging star that will one day explode as a spectacular supernova, bright enough to transform our sky for weeks or months. And because it’s so close and so dramatic, ...

A star exploding at the end of its life has rocked the cosmos like no other that humanity has ever seen. In 2021, astronomers watched in astonishment as a supernova 2.2 billion light-years away named ...