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

The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

Kepler's supernova remnant is extremely exciting for astronomers – a rare example of a supernova for which we have a clear ...

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

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old. The event was first signaled by a gamma-ray burst and later confirmed ...

Astronomers have observed what they are calling a new type of supernova, which has provided an unparalleled glimpse into what happens deep within a star just before it explodes. A study detailing the ...

James Webb has spotted the most distant supernova ever seen, exploding just 730 million years after the Big Bang, offering rare clues about how the universe’s first stars lived and died.

SN2021yfj is a new kind of supernova, challenging our understanding of stellar evolution. Its progenitor lost its outer shells well before the supernova happened and only consisted of its ...

Some 7,500 light-years from Earth lurks a zombie star cloaked in long tendrils of hot sulfur. Nobody knows how those tendrils formed. But astronomers now know where they’re going. New observations, ...

Astronomers’ best view yet of the aftermath of a “guest star” supernova seen in 12th-century China and Japan has revealed one of the strangest objects in the heavens. It consists of hundreds of ...

The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...