Evolution

The pest in question, Helicoverpa zea, the bollworm moth

Dent Appears in Armor of Pest-Resistant Cotton

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Super-Sized Scorpion

Wolf spider

Baby Food

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Underground Munchies: Chimps Dig 'Em

Drawing from Insects of the Luquillo Mountains, Puerto Rico

An Evolutionary Chase Scene Across Willow Leaves

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Fred Spoor

The evolution scholar talks about a landmark new study challenging the classic view of human ancestry

The chimp with the most human-like gait and body type walked upright more efficiently than he knuckle-walked—a finding that study co-author Herman Pontzer calls a snapshot of how this evolution may have taken place. (This composite photograph pays homage to the iconic Evolution of Man.)

Walk This Way

Humans' two-legged gait evolved to save energy, new research says

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Natural Selection

In Darwin's Galápagos Islands, evolution is on display

Portrait of Charles Darwin

The Evolution of Charles Darwin

A creationist when he visited the Galápagos Islands, Darwin grasped the significance of the unique wildlife he found there only after he returned to London

Outdoor proceedings on July 20, 1925, showing William Jennings Bryan and Clarence Darrow.

Evolution on Trial

Eighty years after a Dayton, Tennessee, jury found John Scopes guilty of teaching evolution, the citizens of "Monkeytown" still say Darwin's for the birds

Charles Darwin

Expressions: The Visible Link

Darwin believed expressions of emotion reveal the unity of humans and their continuity with animals

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Solving the Aging Puzzle

Evolution may tell us why living things—including humans—age at such diverse rates

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