Eoneophron infernalis

A Fresh Hell (Chicken)

A newly identified “Hell chicken” species suggests dinosaurs weren’t sliding toward extinction before the fateful asteroid hit.
Peppered moth (Biston betularia)

Humans As Drivers of Evolution

“Anthropogenic,” meaning of human causes, is generally used to refer to climate change. But it also covers the powerful evolutionary force that is humanity.
Ali Wallace, 1905

Ali: Alfred Russel Wallace’s Right-Hand Gun

Wallace wouldn't have become a famous naturalist without help from colonial networks and hundreds of locals, including his indefatigable Sarawak servant, Ali.
An image of the uterus and womb, 1908

The “Scientific” Antifeminists of Victorian England

Nineteenth-century biologists employed some outrageous arguments in order to keep women confined to the home.
Edward Drinker Cope

The Bizarre Theories of the American School of Evolution

The paleontologist Edward Drinker Cope condemned women's suffrage and Black Americans through an evolutionary lens.
Squirrel Hoarding

Your Brain Evolved to Hoard Supplies and Shame Others for Doing the Same

Have people gone mad? How can one individual be overfilling their own cart, while shaming others who are doing the same?
Portrait of Alexander von Humboldt by Friedrich Georg Weitsch

Who Was Alexander von Humboldt?

Remembering the work of the great naturalist Alexander von Humboldt, on the 250th anniversary of his birth.
Diagram representing the divergence of species

An Early Review of On the Origin of Species

"Darwin openly and almost scornfully repudiates the whole doctrine of Final Causes. He finds no indication of design or purpose anywhere..."
A phasmid stick insect with egg

The Incredible Phasmid Egg

Stick insects have eggs that look exactly like seeds. Scientists can't figure out why these masters of camouflage would lay eggs that resemble bird snacks.
Photograph of Charles Darwin by Maull and Polyblank for the Literary and Scientific Portrait Club (1855).

Charles Darwin In His Own Words

Some collected letters and observations from the great naturalist, Charles Darwin.