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Special Report

Infographic of the Week


Journey of a Gravitational Wave

Journey of a Gravitational Wave

LIGO scientist David Reitze takes us on a 1.3 billion year journey that begins with the violent merger of two black holes in the distant universe. The event produced gravitational waves, tiny ripples in the fabric of space and time, which LIGO detected as they passed Earth on September 14, 2015.

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The Big Gath Dig: Goliath's Hometown

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Lizard Picks Best Color--to Stand against

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Giant Bird Driven Extinct by Egg-Eating Humans

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Climate Change Most Affects Nations That Didn't Produce It

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