It's the last clearly observed supernova in the Milky Way, Gassel said.

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

Twinkle, twinkle, little star. How I wonder what you, wait a minute, why are you twinkling so much? Um, guys, that's no ...

A s the James Webb Space Telescope (JWST) continues to peer into the origins of our universe, it’s delivering a steady stream ...

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

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

Scientists have revealed for the first time a jaw-dropping early view of an exploding supernova. Observations with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) have revealed ...

NASA’s Chandra Observatory reveals a 25-year time-lapse of Kepler’s Supernova Remnant. Glowing debris expands at different ...

Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light.

James Webb has spotted the most distant supernova ever seen, exploding just 730 million years after the Big Bang, offering ...

In 1181 AD, a bright "guest star" was observed to linger in the sky for around six months. Nearly 850 years later, the likely ...