Known as gamma-ray bursts, they can release in a few seconds what our Sun will emit over its lifetime. Now scientists have ...

A powerful cosmic event from 2004—a gamma-ray burst from a magnetar 30,000 light-years away—has just been revealed as a major ...

Astronomers have spotted something that appears to stretch around ten billion light years across. This so-called ...

to detect very-high-energy gamma-ray bursts from a galaxy 400 light-years from Earth. The 10-meter-diameter spherical mirror is made up of many smaller mirrors. The detector on the telescope consists ...

"The gamma-ray burst traveled through intergalactic space at the speed of light for eleven billion years, during which time the Sun and the planets were born." — Timothy Ferris, in the film ...

A brilliant flash from deep space once baffled scientists. But now, that mystery has been solved—and it reshapes what we know ...

Before this research, scientists didn't recognize that some nearby gamma-ray bursts are also part of this massive structure. The finding is extraordinary because the Hercules-Corona Borealis Great ...

Gamma-ray bursts (GRBs) are the most energetic events ever observed in the universe. These powerful outbursts can shine a quintillion (10 18) times brighter than the sun. Since they were first ...

At the time of the Big Bang, the universe contained only the lightest elements: hydrogen, helium, and a dash of lithium.

For over a decade, a star system on the verge of unleashing a deadly gamma ray burst appeared to have its guns trained on Earth. The so-called "Death Star," which is also famed for looking like a ...