"This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a star." ...

A record-shattering stellar blast has been caught on camera in unprecedented detail, and the footage is forcing astronomers to rethink how stars die. The event, linked to an extreme gamma-ray outburst ...

Astronomers using the U.S. National Science Foundation National Radio Astronomy Observatory (NSF NRAO) instruments, the U.S.

In a massive explosion of a black hole ripping apart a star, a dense gas cocoon was found surrounding the explosion, ...

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

Astronomers may have discovered a never-before-seen cosmic explosion that effectively combines a supernova with a kilonova—the blast that results when two dead, dense stars collide. When massive stars ...

A space explosion detected this summer burned for days on end, making it the longest and most unusual gamma-ray burst ever seen. Gamma-ray bursts are the universe’s most powerful explosions. They ...

A cosmic explosion that lasted seven hours: this is the unusual spectacle recently observed by astronomers. Named GRB 250702B, this gamma-ray burst shattered previous duration records. Unlike typical ...

When a giant star reaches the end of its life, it explodes and emits an enormous amount of light. That is a supernova. For weeks to months, it shines as bright as an entire galaxy. A kilonova is also ...