
Supermassive black holes are supposed to anchor the centres of galaxies. But astronomers just found one adrift 30,000 light-years out, with no galaxy around it — betrayed only when it shredded a passing star. Here’s how they caught this invisible giant, and what it reveals about how galaxies quietly grow by colliding. Read more

You’ve crossed the event horizon. Nothing exploded. No alarm sounded. From your perspective, the most catastrophic boundary in the universe looked unremarkable. But from a safe distance, your friend watched you freeze, fade, and never arrive. The falling into a black hole experience is two completely different stories — and physics tells both in perfect,… Read more