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Smithsonian zoologists are attempting to breed the rare clouded leopard
Carl Linnaeus, born 300 years ago, brought order to nature’s blooming, buzzing confusion
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The New World’s Oldest Calendar
Research at a 4,200-year-old temple in Peru yields clues to an ancient people who may have clocked the heavens
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In Peru, scientists discover the oldest solar observatory in the Americas
What will make you happy? A social scientist explains why it’s so hard to predict
Wild Things: Life as We Know It
Squid light shows, monkey hugs and chickadee alarms
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Smithsonian.com takes a look at common and easy ways to go green
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