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Signs of Life
Astrophysicist Lisa Kaltenegger analyzes light from distant stars for evidence we’re not alone
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Time for a Change
One professor’s mission to revise the calendar
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Finding a Home in the Cosmos
In a new book written with his wife, Nancy Abrams, cosmologist Joel Primack argues that the universe was meant for us. Sort of
Lighthouse of the Skies
The Smithsonian Astrophysical Observatory probes the universe for the unimaginable
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