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.
In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
A Utah farm boy builds a prototype for a television, but is thwarted by movie studio executives wanting to control the technology.
The impact of tuberculosis in America, once the deadliest killer in human history.
Though first seen only as an expensive luxury, Alexander Graham Bell's telephone soon transformed American life and became a necessity.
The first around-the-world air race was sponsored to prove that the airplane had a commercial future.