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Stephen Hawking's long-contested black hole theory finally confirmed — as scientists 'hear' 2 event horizons merge into one

Summary by Live Science
Black holes get bigger as they merge, the LIGO Collaboration confirmed with a new observation that could finally prove a decades-old Stephen Hawking theory.

6 Articles

Lean Left

By detecting gravitational waves, they have proven the enormous surface area increase caused by the collision of two black holes.

Center

The LIGO research center in the US has observed for the first time British physicist Stephen Hawking's theory of merging black holes. In the 1970s, Hawking developed the theory that merging black holes in our universe can only expand and not contract. The fact that Hawking's theory has now been tested and confirmed for the first time does not conclusively prove it.

·Antwerp, Belgium
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Live Science broke the news in United States on Wednesday, September 10, 2025.
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