Data collected using multiple NSF NOIRLab facilities reveal a gamma-ray burst that lasted more than seven hours and ...

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

The longest gamma-ray burst ever recorded did not behave like a quick cosmic flash. Instead, it burned across the sky for more than seven hours, forcing astronomers to rethink what powers the universe ...

"This is certainly an outburst unlike any other we've seen in the past 50 years." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers ...

A supernova from the early universe looks unexpectedly familiar, challenging ideas about how the first massive stars lived ...

A single gamma-ray burst has forced astronomers to redraw their mental map of how the most violent explosions in the universe ...

CAPE CANAVERAL, Fla. (AP) — Scientists have discovered a gamma ray explosion outside our galaxy that’s not only exceptionally powerful, but also long-lasting. Telescopes on Earth and in space — ...

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic explosion ever observed, a gamma-ray burst that lasted nearly seven hours.