astrophysics astrophysics

An artist's rendering of a black hole that's 2 billion times more massive than our sun. Streams of particles ejected from black holes like this one are thought to be the brightest objects in the universe. ESO/M. Kornmesser hide caption

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ESO/M. Kornmesser

Some Bizarre Black Holes Put On Light Shows

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Astrophysicist Richard Gaitskell, from Brown University, leads a team hunting particles of dark matter about a mile beneath Earth's surface. No luck so far, but Gaitskell is still hopeful. Chet Brokaw/AP hide caption

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Chet Brokaw/AP

A Physicist Dreams Of Catching Dark Matter In The Act

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