September 10, 2025
Astronomers have spotted GRB 250702B, a gamma-ray burst that erupted several times over two days—something never seen before. Detected by NASA’s Fermi and China’s Einstein Probe, the event defies current models of collapsing stars or black holes, hinting at an entirely new cosmic phenomenon.
Astronomers have spotted GRB 250702B, a gamma-ray burst that erupted several times over two days—something never seen before. Detected by NASA’s Fermi and China’s Einstein Probe, the event defies current models of collapsing stars or black holes, hinting at an entirely new cosmic phenomenon.