Gamma-ray bursts are the most luminous explosions in the cosmos. Astronomers think most occur when the core of a massive star runs out of nuclear fuel, collapses under its own weight, and forms a ...

Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and emit "x-rays and gamma rays (magenta)," according to NASA's Goddard Space ...

The RATIR camera captured the fading afterglow (arrow) of the June 2016 gamma-ray burster in this sequence running from June 26-Aug. 20, 2016.

NASA has confirmed that on October 9, 2022, our solar system was struck by a gamma-ray burst originating 1.9 billion light-years away that was brighter than any since the beginning of human ...

Watch a cosmic gamma-ray fireworks show in this animation using just a year of data from the Large Area Telescope (LAT) aboard NASA’s Fermi Gamma-ray Space Telescope. NASA’s Marshall Space Flight ...