The record-setting cosmic outburst was actually a gamma-ray burst, the most powerful class of cosmic explosions.

A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." ...

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a ...

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

Using NASA’s James Webb Space Telescope (JWST), an international team identified a supernova’s source star, or progenitor, for the first time. The observations - combined with archival images from the ...

What can an exploding star in a distant galaxy teach scientists about red supergiants? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of ...

ORLANDO, Fla. – It’s been a long wait, but it could pay off any day now. Last year, NASA announced an upcoming nova outburst that’s expected to pop off overhead around 3,000 light-years from Earth.

A smaller black hole merging with and consuming a companion star, leading to an explosion.

A Northwestern University-led team of astronomers has captured the most detailed glimpse yet of a doomed star before it exploded. Using NASA's James Webb Space Telescope (JWST), the international team ...

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using data from the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) ...

The James Webb Space Telescope has identified an original star that caused a supernova for the first time. Credit: NASA / ESA / CSA / STScI / Charles Kilpatrick / Aswin Suresh Astronomers say they've ...