It was sexism, not a horse -- as one infamous rumor goes -- that brought down the powerful Russian empress known as Catherine the Great.

Fascinating facts about the world's most powerful man.

How a teenager named Jackie Mitchell struck out two of baseball's greats and why her story has historians puzzled.

As the situation grew more and more dire in Vietnam, America's Vietnam War protests grew stronger and stronger.

Turns out dolphins make for far more than good children's movie protagonists.

“Americans love ‘The Sopranos.' They don’t believe the Mafia is like (they see on TV), but the Mafia is dangerous like ISIS.”

How Holocaust denial first took root and where it's flourishing today.

In 1966, Bobby Seale and Huey Newton created the Black Panther Party, a revolutionary black socialist movement that would take America by storm.

Everything you need to know about ayahuasca, the psychedelic brew straight out of the Amazon that has taken the West by storm.

These Studio 54 photos will take you inside the dance club that defined a generation and hosted celebrities from Andy Warhol to David Bowie.

These unbelievably sexist ads from decades past and present reveal both how far society has come and how much further we need to go.