Record-breaking gamma ray burst seems to be caused by a black hole engulfed by a bloated star

On July 2, 2025, NASA's Fermi Gamma-ray Burst Monitor (Fermi-GBM) captured around three hours' worth of signals that appeared ...
Phys.org

A tale of two pulses: Observational evidence for two distinct polarized emission sites in gamma-ray burst outflow

Gamma-ray bursts (GRBs) are the brightest explosions in the universe. In just a few seconds, they can outshine all the stars in their host galaxy combined, releasing more energy than our sun will emit ...