Presenter: John Bronson Descriptions & illustrations of: What led to the Vietnam War, what the US was attempting to accomplish with its aircraft, illustration of the types of missions assigned to...

Presenter: Gary Sohn Apollo-Soyuz was the first crewed international space mission, carried out jointly by the United States and the Soviet Union in July, 1975. Millions of people around the...

Descriptions & illustrations of the Apollo Guidance Computer, the Display and Keyboard Unit (DSKY), how the astronauts used it and how it interfaced to the remainder of the Command Module, and comparisons to show similarity with other computer systems including Windows programs.

Presenter: Donn Anderson Lucy is the first mission to study the swarms of Trojan asteroids associated with Jupiter, thought to be remnants of our early solar system. The Trojans orbit...

Presenter: Gary Sohn America's fleet of surveillance and attack drones are far older than most people realize. They've been dutifully getting shot out of the sky on behalf of our...

Presenter: Gary Sohn The appearances of comets have been known to humans for millennia. Until the sixteenth century, comets were usually considered bad omens of death. What is their origin?...

Presenters: Donn Anderson and John Jennings Astronaut Scott Kelly spent almost a year in near weightlessness in orbit on the International Space Station while his identical twin Mark remained here...