The pioneering researchers in the effort to conceive babies through in vitro fertilization faced daunting obstacles and much controversy before the world's first test tube baby was born on July 25, 1978.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
While the U.N. debated strategies for control of atomic energy, the U.S. Navy was preparing for nuclear tests on Bikini Island.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
The most daring and innovative accomplishment at the turn of the 20th century.
Engineered by William Barclay Parsons, the 21-mile, four-track route of the New York City Subway was the largest public works project in history.
Brothers Wilbur and Orville Wright built a flying machine that made its first flight in Kitty Hawk, North Carolina in 1903.
