SN Ares might be the most exciting one. The star exploded when the universe was about one-third of its current age.

“Supernova explosions and the elements they hurl into space are the lifeblood of new stars and planets,” said Brian Williams ...

NASA has released an unprecedented time-lapse video showing the evolution of Kepler’s Supernova Remnant, a cosmic relic of a ...

This article (originally published Aug. 13, 2025) has been updated to include new text and illustrations featured in the Jan.

Kepler's supernova remnant is extremely exciting for astronomers – a rare example of a supernova for which we have a clear kick-off timeline, dating back more than 400 years. It's also just 20,000 ...

Axions are the most likely candidate for enigmatic dark matter that dominates the universe. Astrophysicists are searching for evidence of high-mass axions produced during supernovae. Scientists ...

You might think of a star as a mass of incandescent gas, a gigantic nuclear furnace where hydrogen is turned into helium at a temperature of millions of degrees. But researchers recently reported that ...