The president's State of the Union started as a simple report on the condition on the nation; overtime, the address became a moment to rally Congress and the public.

The woman who first introduced equal pay legislation in Congress had to fight to be taken seriously — and often failed.

In 1983, Stanislav Petrov, a lieutenant colonel in the Soviet Union’s Air Defense Forces, trusted his gut and averted a global nuclear catastrophe.

A few days before his team took the field as huge underdogs in Super Bowl III, New York Jets quarterback Joe Namath made what was seen as an insane prediction at the time: "The Jets will win Sunday," he said. "I guarantee it."

If you work in an office without offices, with just about everyone working in a large spare space full of stylish desks, straight lines and papers stored in a credenza, then you have met Florence Knoll Bassett.

After the assassination of President Abraham Lincoln, John Surratt traveled across three continents, wore disguises and used fake names for nearly two years to escape authorities.

If you’re like most Americans, you probably visit a grocery store once or twice a week. But you probably don’t know that one single grocery item is responsible for the rise of supermarkets as we know them.

Over the past seven decades, the Doomsday Clock has served as a metaphorical measure of humankind’s proximity to global catastrophe. Every year, scientists and nuclear experts set the clock's time after grappling over the state of geopolitical affairs.

Pinball was once so vilified that it was banned in cities across the United States.

In the 1950s, Lester Wunderman became the king of direct mail advertising — the ancestor of today’s online targeted ads.