The international race to develop biological weapons during the 20th century, the challenges scientists faced, and the moral dilemmas posed by their eventual success.
The historic journey of Apollo 8 captivated the world in 1968 -- a bright spot in a year marked by political assassinations, race riots, and the Vietnam War.
While the U.N. debated strategies for control of atomic energy, the U.S. Navy was preparing for nuclear tests on Bikini Island.
After notorious revolutionary leader Pancho Villa's raid on Columbus, New Mexico, General John Pershing and his 150,000 man cavalry set out to get Villa.
With the clock ticking and the city under fire how many could be saved?
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
In the summer of 1940, 10,000 children were sent from wartime Britain to the United States.
A look at five real-life "Rosies," the reality of working in defense plants during World War II and then having to give up those jobs for returning GIs.
The contradictory history of a dam that became a statement of American power and prestige.