Mysterious bright blue cosmic blasts triggered by black holes shredding stars, scientists say. 'It's definitely not just an exploding star.' Jul 12, 2026 When you buy through links on our articles, Future and its syndication partners may earn a commission. Related Articles Novartis eyes more bolt-on acquisitions, CEO says NASA astronauts to return from space early due to an 'unexpected medical issue.' What happened — and when are they coming home? Is relief in sight? Flu season still brutal but cases are declining. ADHD drugs work, but not the way experts thought