Bantu farmer

Rational Fear

As human populations expand and lions’ prey dwindles, the poorest people—and hungriest lions—pay the price.

manatee

Wanderlust

An Internet guide to tracking and tagging the animal world

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Recent Stories

Fossilized cell remnants in 3.4 billion-year-old bedrock are from primitive microbes. 

Frog hoppers piercing plants with their mouthparts produce negative pressures exceeding a megapascal. 

An Okinawa citrus species arose two million years ago when the Ryukyu archipelago disconnected from Asia.

Astronomers have detected a disk around a planet outside our Solar System for the first time.