Cosmic Mystery, Medical Marvels & AI Breakthroughs – Science Roundup (Sept 9–10, 2025)
Key Facts Space & Astronomy Cosmic “Whodunit” Gamma-Ray Burst: A truly bizarre cosmic event grabbed astronomers’ attention – a gamma-ray explosion that flashed repeatedly for an entire day. Such bursts (often from collapsing stars or black hole collisions) usually last seconds or minutes, not 24 hours. Telescopes on Earth and in orbit (including Hubble) caught the July event, and astronomers reported this week that it’s “unlike anything they’ve witnessed before” clickondetroit.com. Because the burst’s origin lies in another galaxy, it posed no danger to Earth, but its behavior is highly puzzling. Scientists say the long, recurring bursts defy established explanations