Astronomers watch a massive star collapse into a black hole without a supernova

A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a slow-motion cosmic fade-out. The leftover debris continues to glow in infra...

🔗 Read more: https://www.sciencedaily.com/releases/2026/02/260213223855.htm

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