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

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

Have people gone mad? How can one individual be overfilling their own cart, while shaming others who are doing the same?

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

"Darwin openly and almost scornfully repudiates the whole doctrine of Final Causes. He finds no indication of design or purpose anywhere..."

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.

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