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 ...

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 ...

What followed after the bomber released its deadly cargo changed nuclear history forever. From a fireball that nearly touched the Earth to shockwaves that circled the planet three times, this is the ...

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 ...

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 ...