Australopithecus Afarensis, or "Lucy," walks upright, the first step in the chain of human evolution.

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Suffrage leader Lucy Burns (1879-1966) was imprisoned at the Occoquan Workhouse in Virginia, probably in November 1917, after she and others were arrested for picketing the White House in support of a federal amendment granting women the right to vote.

A World War II veteran shares the story of the harrowing six months he spent in German prison camps and his eventual triumphant return to the United States. At just 18 years old, Hjalmar Johansson went on his first WWII mission as a nose gunner in a B-24 bomber. When his squadron came under heavy fire, Hjalmar and the rest of the crew were forced to abandon their plane behind enemy lines with no help in sight.

Genetic analysis helps to decipher the mysteries of human evolution.

Take a look at the animals (and one fungus!) that have had a huge effect on the human race in this web exclusive.

Could the ice sheet and low sea levels of the last great Ice Age have helped early humans travel from Europe to North America around 10,000 B.C.?

Ice Age