Astronomers recorded the longest gamma-ray burst in history, GRB 250702B, that may be a cosmic event completely new to ...

An explosion — about 100 times brighter than previously recorded — blinded scientists' instruments. Scientists marveled at the power of the gamma-ray jet, which likely marked the birth of a black hole ...

Stars often fall into black holes, and now it seems the opposite can also occur, producing an extra long-lasting explosion as ...

An ultra-fast flash from the galaxy M82 reveals what may have been a rare "extragalactic magnetar giant flare." ...

In a bizarre gamma-ray space explosion whose light reached Earth in 2023, a team led by astronomer Run-Chao Chen of Nanjing University in China has detected a signal they say is the birth cry of a ...

An illustration shows a powerful blast of gamma-rays disturbing Earth's atmosphere. A powerful blast of gamma-rays that may have been the most powerful cosmic explosion since the Big Bang caused ...

The aftermath of a collapsed and exploded star, a dramatic cosmic event called a supernova. (This is *not* the collapsed star responsible for the historic gamma ray burst described below, which ...

CAPE CANAVERAL, Fla. — 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 — including ...

WASHINGTON – A powerful stellar explosion detected March 19 by NASA’s Swift satellite has shattered the record for the most distant object that could be seen with the naked eye. The explosion was a ...

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