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

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

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

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 ...

Astronomers have uncovered a new extreme in the universe's catalog of violent phenomena — a class of cosmic explosions so powerful that they rank among the most energetic events since the Big Bang.

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old. The event was first signaled by a gamma-ray burst and later confirmed ...

Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major Clovis-era sites, researchers found shocked quartz—evidence of intense heat ...