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

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

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

Researchers at the University of North Carolina at Chapel Hill have contributed to new insights into the most long-lived cosmic explosion ever recorded. The event was a gamma-ray burst that remained ...

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

Astronomers have re-examined the biggest explosion ever seen, possibly the most massive explosion since the Big Bang, to learn more about mysterious blasts of high-energy called gamma-ray bursts (GRBs ...

Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major ...

Astronomers detected millisecond pulsations in a gamma-ray burst, confirming that newborn magnetars can power the universe's most extreme explosions. The burst, catalogued as GRB 230307A, erupted on ...

Scientists may have to rethink their playbook for studying gamma-ray bursts, the most powerful known cosmic explosions, after a blast detected in July set a new record by firing energetic jets for ...

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

This video zooms in on the gamma-ray burst GRB 250702B. It combines images taken with different telescopes at different times and various wavelengths. The journey begins with a wide-field view of the ...

Astronomers observed a unique gamma-ray burst outside the Milky Way, repeating over a day, unlike any known star-destruction event. (Nanowerk News) Astronomers have detected an explosion of gamma rays ...