Astronomers claim to have seen a flash from the merger of two black holes within the maelstrom of a third, far bigger one.
Author: DENNIS OVERBYE
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Alone in the long Antarctic night, Adm. Richard E. Byrd endured the ultimate in social distancing.
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Darkness Visible, Finally: Astronomers Capture First Ever Image of a Black Hole
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Half a century ago today, a photograph from the moon helped humans rediscover Earth.