Back in 1971, the late physicist Stephen Hawking made an intriguing prediction: The total surface area of a black hole cannot decrease, only increase or remain stable. So if two black holes combine, ...
In a new study published in Physical Review Letters, the LIGO–Virgo–KAGRA Collaboration has used the sharpest to date gravitational wave signal from two merging black holes to precisely test Hawking’s ...
Cosmic testbed A computer simulation of the black-hole collision that produced the first gravitational wave signal to be detected, GW150914. (Courtesy: Simulating eXtreme Spacetimes (SXS) project/LIGO ...
This artwork imagines the ultimate front-row seat for GW250114, a powerful collision between two black holes observed in gravitational waves by the US National Science Foundation LIGO. It depicts the ...
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