Betelgeuse dimmed dramatically, prompting theories of an impending supernova. Instead, astronomers uncovered an even stranger ...

Betelgeuse dimmed unexpectedly, sparking theories it was about to go supernova. Though it recovered, scientists confirmed ...

Nearby supernova blasts may have severely altered Earth’s climate history Tree rings reveal spikes in carbon-14 from ancient ...

Ancient supernovas may have blasted Earth with powerful radiation, causing dramatic changes in our climate, and could do so ...

The supernova SN 1999bg marked the dramatic end of a star far more massive than the Sun. Researchers do not know exactly how massive this star was before it exploded, but will use these Hubble ...

A massive supernova explosion 13,000 years ago may have triggered the Younger Dryas ice age by damaging Earth’s ozone layer with deadly radiation. ... Currently, several nearby stars could become ...

Hidden Supernova Revealed. In 1999, astronomers discovered a powerful supernova in this galaxy—an enormous explosion marking the death of a star much more massive than our Sun. This supernova, known ...

It’s At Least 25 Times Stronger Than Any Supernova. The rare blasts outshine supernovae and reshape how we study black holes. by Tibi Puiu. June 5, 2025. in News, Space. A A. A A. Reset.

Astronomers from the Yunnan University in China and other institutions have carried out photometric and spectroscopic observations of a recently detected supernova designated SN 2024aecx. Results ...