NATIONAL  ·   March 18, 2014

Scientists find evidence of big bang's beginning

- Researchers say they've found evidence of what happened at the very first moment of the big bang. They say the universe grew so quickly, it left ripples in patterns of light, visible in the very far reaches of the universe. ()

- Researchers say they've found evidence of what happened at the very first moment of the big bang. They say the universe grew so quickly, it left ripples in patterns of light, visible in the very far reaches of the universe. ()

Scientists find evidence of big bang's beginning (1:17)

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