NASA's Unexplained Files

K3, J16: Kausi 3, Jakso 16. Saturn's Death Star

K3, J14: Kausi 3, Jakso 14. CIA's Secret Revenge

K3, J16: Kausi 3, Jakso 16. Saturn's Death Star

K3, J14: Kausi 3, Jakso 14. CIA's Secret Revenge

K3, J16: Kausi 3, Jakso 16. Saturn's Death Star

Pluto's Evil Twin. After NASA's New Horizons spacecraft flies by Pluto, it encounters a mysterious object that shuts down the probe's computers. Experts investigate what it could be.

The Black Hole Next Door. When astronomers discover a rogue black hole speeding through the Milky Way, they investigate how much danger this cosmic monster poses to Earth.

Aliens Vs Stalin At Area 51. Experts investigate whether the Roswell UFO incident was a Soviet conspiracy masterminded by Stalin, or is the story just another cover-up?

Saturn's Moon Monsters. When NASA discovers something strange on Saturn's biggest moon, experts investigate if aliens feeding on the world's electric atmosphere could be the culprit.

Planet Of The Metal Aliens. Experts investigate if a nearby exoplanet could be the home to an alien civilization after a new discovery confirms that life can thrive on such a world.

Did Aliens Nuke Mars?. A strange discovery by NASA's Mars Curiosity rover suggests the Red Planet was home to an alien nuclear war 300 million years ago - could this be true?

Aliens In The Amazon. Neil Armstrong led an expedition into the Amazon seeking a library apparently made by aliens. Did a close encounter on his moonwalk inspire his quest?

Secrets Of The Alien Signals. When NASA begins an experiment to communicate with dolphins, experts examine if it's a prelude to making alien contact. Will it have dire consequences?

Curse Of The Red Planet. Three cosmonauts die mysteriously as they re-enter Earth's atmosphere. Plus, a NASA rover discovers clues that help solve a murder.

Black Knight Rises. The Hubble Telescope spots thousands of unknown objects travelling faster than light. Are we being watched? Or could we ourselves be aliens from another world?

Interstellar Gold Rush. A planet shows evidence of an Earth-like atmosphere, while a mysterious glowing light suggests the impossible: an atmosphere on the Moon.