Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...

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 ...

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.

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 ...