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In 1967, four undercover CIA agents were sent to NASA posing as a documentary film crew. What they discovered led to one of the biggest conspiracies...

Desperate to land a man on the moon before Russia does, NASA hastily preps a would-be spaceman for a mission that would leave him alone in a lunar...

After NASA picks up a trio of mysterious signals from within our own solar system, astronaut Roger Nelson is dispatched on a multi-year solo mission...

Fearful that the Russians would continue their lead in the space race and be the first to put a man on the moon, NASA felt an enormous pressure to...

Roy Fleming is a small-town kiddie-ride operator who is deathly afraid of heights. After learning that his father has signed him up for the space...

X-15 is a 1961 movie that tells a fictionalized account of the X-15 research rocket plane, the men who flew it and the women who loved them.

The son of a retired astronaut competes to win a seat on the next space shuttle.

Twelve men who belong to one of the world's most exclusive fraternities -- people who've walked on the surface of the moon -- are paid homage in this...

A NASA spacecraft proves Einstein right when, traveling faster than light, it ends up near King Arthur's Camelot. On board are big-hearted Tom...

All of the necessary technologies required to reach the Moon was first tested during Project Gemini, which comprised of ten missions in the mid-1960s.

Discover the UFO phenomenon like never before, with insights from NASA, CNES, Oxford, compelling firsthand witnesses, and even the possible viewpoint...

When the space shuttle Challenger blew up in 1986, it was the most shocking event in the history of American spaceflight. The deaths of seven...

1969's Apollo 11 mission to the moon is highlighted in this tribute to the history of the United States' space program.

The Russian space station Avma is disintegrating, and an international team of scientists is sent to the dying station to salvage valuable technology...

Archival material from the original NASA film footage – much of it seen for the first time – plus interviews with the surviving...

A unique behind-the-scenes access to NASA’s ambitious mission to launch the James Webb Space Telescope, following a team of engineers and...

The first effort to send human beings to the Moon coincides during Christmastime on Earth.

Three young friends who are on vacation in Spain and a NASA scientist must join forces to save themselves and the rest of the world from an alien...

In the 1960s a young woman works at NASA as an animal trainer responsible for the chimpanzee who will go into space.

National Geographic's riveting effort recounts all 12 crewed missions using only archival footage, photos and audio.