Years before Colin Kaepernick took a knee, these people stood up. Black and white, male and female, enslaved and free, they publicly opposed racism and violence and fought for freedom and equality.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Archaeologists ...

In November 1838, a sad if familiar scene played out on the docks of Alexandria, Va., as slave traders herded scores of enslaved men, women and children onto a ship bound for cotton plantations in ...

Archaeologists have discovered a small bedroom in an Ancient Roman villa near to Pompeii that was almost certainly used by slaves. The find has thrown new light on their lowly status in the ancient ...