Lost tapes reveal that Apollo astronauts heard unexplained transmissions on the far side of the moon, an amateur astronomer spots a strange disturbance in Martian atmosphere and an unidentified object in Earth orbit starts stalking Russian spacecraft.
Neil Armstrong goes into an unexplained spin. He needs to figure out what's causing it, or he faces certain death. An Apollo 17 photo seems to show a US military outpost on the Moon... and could there be alien life swimming in the oceans of Jupiter's moons.
When a Chinese moon rover breaks down, a NASA scientist points to a mysterious material that seemed to sabotage the Apollo missions, decades earlier. The Rosetta spacecraft finds a comet that appears to be singing.
Newly discovered documents reveal NASA's secret plan B for failure of the first moon landing. And NASA's Cassini mission unravels a 300-year-old mystery.
Three cosmonauts die mysteriously as they re-enter Earth's atmosphere and NASA needs to know why, a declassified document reveals a CIA plan to use a space disaster as a cover to start World War 3 and a NASA rover discovers clues that help solve a murder.
Two astronauts trapped in the vacuum of space face an agonizing death; the first close up images of Pluto reveal an alien landscape, and residents of Houston struggle to explain videos of unidentified flying lights captured above their city at night.
Astronauts are evacuated when a mystery object is discovered hurtling towards the ISS, a NASA secret agent goes undercover to recover missing moon rocks and scientists struggle to find answers when they find a huge void at the edge of the solar system.
Strange sightings on the moon; possible photographic evidence of a lunar military base; whether the Apollo astronauts brought a living moon creature back with them; and a mysterious material that sabotaged moon missions.
In the Bermuda Triangle of Space, a mysterious energy attacks NASA craft in earth's orbit; witnesses report terrifying encounters with eerie spheres of light.
Astronomers find evidence for incredible alien technology around a distant star. The first pictures of Pluto show that something might be moving across its surface. Apollo astronauts see something they can't explain as they approach the moon.
A mission to Mars captures an image of a strange structure on the Red Planet. Files from the first Apollo mission record an eerie sighting on the dark side of the moon. A planet-eating star gives scientists a glimpse of Earth's terrible demise.
NASA Astronaut discusses the 1997 collision of the Progress into the Mir and the life and death struggle that followed. NASA OIG Senior Special Agent uncovers what the Russians are not telling NASA about the collision and the Mir.
Astronomers detect a potentially habitable planet tantalizingly close to Earth. A chance discovery at NASA reveals a top secret military space program. The Apollo missions bring back evidence that the moon could be rich in the building blocks for life.
Two cosmonauts fight for their lives while trapped inside a capsule in a frozen lake. A NASA scientist investigates the deadly Nazi secret that doomed the Hindenburg. NASA astronomers are spooked when the full moon starts affecting their experiments.
A startling discovery suggests that the hellish clouds of Venus may be the origin of life on Earth. A bizarre sighting 2,000 years ago raises the possibility that the Earth once had two moons. A NASA scientist helps the FBI crack the 1996 Olympic bombing.
A brilliant astronaut and CIA impersonator gains entry to NASA's Mission Control. A NASA OIG Senior Special Agent tracks the impostor down and before taking him into custody he unravels the impostor's incredible story.
British astronomers working for the CIA intercept Soviet photos of the moon. A malfunction on the ISS could poison its crew with deadly ammonia gas. A startling image taken by a NASA probe points to evidence that life could exist on Mars.
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What is the French language plot outline for NASA's Unexplained Files (2012)?