dark matter

Astronomer Who Discovered The First Direct Evidence Of Dark Matter Dies

She used galaxies’ rotations to discover the first direct evidence of dark matter in the 1970s while working at the Carnegie Institution in Washington.
By Reuters

The One Question This Brilliant Physicist Wants People To Stop Asking Her

Hint: It involves Larry Summers.
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This Physicist Says Dark Matter May Have Killed Off The Dinosaurs

We can't see it or feel it. But as Lisa Randall says, dark matter may explain a lot about our universe--including the dinos' demise.
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