Dynamic black holes may obey Hawking-style thermodynamics with an alternative entropy measure

Of the known things in the universe, black holes are among the most extreme. They pack huge amounts of mass densely into a ...
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Astronomers just heard the last sound a black hole made

That signal, cataloged as GW250114, came from the merger of two near-equal black holes, about 34 and 32 times the mass of the ...

Quantum gravity tests may mistake ordinary spacetime for superposition

Everything around us, from atoms and molecules to planets and galaxies, is governed by two extraordinarily successful ...