The genius physicist says assisted death OK for 'pain and suffering.' Professor Stephen Hawking speaks during the Opening Ceremony of the London 2012 Paralympics at the Olympic Stadium, Aug. 29, 2012 ...

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Stephen Hawking’s 50-year-old theorem on how black holes merge together has been successfully tested thanks to huge advances in gravitational wave astronomy, which helped astronomers catch the waves ...

On Sept. 14, 2015, physicists attained the long-sought goal of detecting gravitational waves, the shockwaves spewed out by such cataclysmic events as the violent merger of two black holes. Now, in the ...

In January 2025, a ripple in spacetime reached Earth from more than a billion light-years away. It wasn’t light or radio ...