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BICEP2 Gravitational Wave 'Discovery' Deflates

Physicists have announced that last year's much-publicized 'discovery' of gravitational waves embedded in the 'echo' of the Big Bang was a misstep.

January 30, 2015
1:46 PM EST
The sun sets behind BICEP2 (in the foreground) and the South Pole Telescope (in the background) in Antarctica. | Steffen Richter (Harvard University)