Tag: black holes

At Long Last, Mathematical Proof That Black Holes Are Stable

In 1963, the mathematician Roy Kerr found a solution to Einstein’s equations that precisely described the spacetime outside what we now call a rotating...

Don’t Tell Einstein, but Black Holes Might Have ‘Hair’

Identical twins have nothing on black holes. Twins may grow from the same genetic blueprints, but they can differ in a thousand ways—from temperament...

The Search for Dark Matter Is Dramatically Expanding

Ever since astronomers reached a consensus in the 1980s that most of the mass in the universe is invisible—that “dark matter” must glue galaxies...

Is Dark Matter Just Black Holes Made During the Big Bang?

Black holes are like sharks. Elegant, simple, scarier in the popular imagination than they deserve, and possibly lurking in deep, dark places all around...

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