Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...
The most luminous kilonova candidate to date (short gamma-ray burst 200522A) was detected using the Hubble Space Telescope, Swift Observatory and other telescopes. A kilonova is a "the afterglow ...
On July 2, 2025, NASA's Fermi Gamma-ray Burst Monitor (Fermi-GBM) captured around three hours' worth of signals that appeared ...
An ultra-fast flash from the galaxy M82 reveals what may have been a rare "extragalactic magnetar giant flare." ...
Using various space telescopes, an international team of astronomers have observed a newly detected very faint X-ray ...