The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
In the early 1830s, Texas, ruled by Mexico, held 20,000 U.S. settlers and 4,000 Mexican Tejanos, forcing residents to pick sides.
A biography of the last outlaws of the American Wild West
The Alaskan Highway stands today as one of the boldest homeland security initiatives ever undertaken.
A gripping tale of medical intervention gone awry, and one of the most barbaric mistakes of modern medicine.
The story behind the development of the oral contraceptive that put women in control of birth control.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.
Equipment failure, human error and bad luck led to the country's worst nuclear accident in 1979.