WAR

An heir and a spare disappeared during England's War of the Roses. Here's what happened—and how we might hope to solve the mystery today.

Almost as soon as it was introduced—and for generations after—the Presidential Fitness Test was absolutely traumatizing to students who had to endure it. Here’s how the program started—and ended.

To win a nuclear arms race, Leona Libby hid a pregnancy and brushed off being irradiated.

The Silent Generation may not be as flashy a group as Millennials, but they wield a surprising amount of influence over our culture.

The U.S. government is constantly moving its nuclear weapons from one facility to another, which means you may have passed one on the highway without even realizing it.

Though it’s now considered one of Pablo Picasso’s masterpieces, ‘Guernica’ didn’t have many fans when it debuted—one critic even called the artwork “one of the poorest things produced in the world.”

Here’s how a wave of mysterious deaths in the late 1970s and early 1980s among Southeast Asian refugees living in America inspired Wes Craven to pen his 1984 horror classic, “A Nightmare on Elm Street.”

From Auschwitz to the 9/11 Memorial & Museum, these dark tourism destinations are fascinating—and definitely not for the faint of heart.

Anyone with a cat will probably argue that their feline is the coolest—but there have been at least a few other candidates through the ages, from Able Seacat Simon to Abraham Lincoln’s kitties to the feline that inspired Nikola Tesla.

No, spies aren't all focused on national security. Yes, the CIA did deploy a mission called Operation Acoustic Kitty.

America’s greatest physicists assembled under the Manhattan Project to create the deadliest weapon the world had ever seen—an atomic bomb.

From serving in the Iraq War to becoming the first U.S. senator to give birth in office, Tammy Duckworth has an impressive history of overcoming adversity with grit and humor.