Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

The James Webb Space Telescope and other international observatories have spotted a 13-billion-year-old supernova. On Tuesday ...

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

A faint, tiny flash of red light glimpsed at the Cosmic Dawn more than 13 billion years ago has smashed the record for the ...

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...

New findings have revealed that a supernova struck Earth 10 million years ago, and the evidence lies at the bottom of the sea ...

The Cassiopeia A supernova remnant reveals that massive exploding stars can forge far more of life's essential ingredients ...