NASA’s James Webb Space Telescope reveals new clues about a mysterious cosmic explosion that defies expectations. Researchers are investigating an unusual event in deep space that has left scientists ...

Most gamma-ray bursts—the brightest, most powerful explosions in the universe—are tracked back to the deaths of massive stars. But a new discovery suggests that such enormous explosions can come from ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists may have to rethink their playbook for studying gamma-ray bursts, the most powerful known cosmic explosions, after a ...

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 ...

When space telescopes blazed with high-energy radiation for hours earlier this year, astronomers suspected that they were witnessing something special. The cosmic flash GRB 250702B was no ...

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.

Some of the universe’s most extreme explosions leave behind almost no trace. The original explosion is unseen, but our ...

A discovery involving researchers at The University of Hong Kong (HKU) has, for the first time, revealed millisecond pulsations hidden within a powerful cosmic explosion known as a gamma-ray burst ...

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Artist's rendition of GRB 250702B's ultra-relativistic jet (moving at nearly the speed of light) escaping from its dusty, massive host galaxy. Astronomers at the University of North Carolina at Chapel ...

Some of the universe's most extreme explosions leave behind almost no trace. The original explosion is unseen, but our observations can capture the long-lived echo it leaves behind as the shock front ...