On May 29, 1108, an Almoravid army crushed the forces of Alfonso VI of León and Castile outside the town of Uclés. Among the dead was Sancho Alfónsez, the king’s only son and heir, a loss so severe that medieval chroniclers ranked it among the worst Christian defeats of the entire Reconquista — the centuries-long […]

On October 9, 2022, two space telescopes, Swift and Fermi, picked up the brightest gamma-ray burst ever recorded. Researchers nicknamed it BOAT — “brightest of all time” — official designation GRB 221009A. The explosion happened in a galaxy roughly 2 billion light-years away, which means its light set out across space before complex life had […]