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By chewing on the problems posed by “extremal” black holes, physicists have exposed a surprising and universal connection between energy and entropy.
Einstein’s equations describe three canonical configurations of space-time. Now one of these three — important in the study of quantum gravity — has been shown to be inherently unstable.
A proposal for building wormhole-connected black holes offers a way to probe the paradoxes of quantum information.
After a space telescope disintegrated, astrophysicists had little hope of understanding how supermassive black holes agitate giant galaxies. Then they invented a hack.
For the first time, physicists have calculated exactly what kind of singularity lies at the center of a realistic black hole.