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366,179 results
Explore NASA's Unexplained Files, revealing space-age secrets like NASA's unobtainium, the space shuttle maiden flight, Jack ...
133,199 views
1 month ago
Sit back and explore some of NASA's most bizarre UFO experiences surrounding planet Mars and the many explorations journeys ...
190,972 views
7 months ago
In this season, we delve deeper into the mysteries that have left both scientists and audiences across the globe astounded.
30,454 views
9 months ago
China's first astronaut gets a haunting experience as he hears an eerie knocking on the outside of his spaceship's door. There are ...
2,510,813 views
2 years ago
2,634 views
8 years ago
A strange discovery by the Mars Curiosity rover suggests the Red Planet was home to an alien nuclear war, and experts ...
615,146 views
4,729 views
There is plenty of mystery and deception surrounding UFOs but here are some of the mysterious events that many of us still can't ...
3,186,755 views
1 year ago
Experts investigate if a nearby exoplanet could be the home to an alien civilization of strange, metallic monsters after a new ...
2,023,320 views
Tampered space photos, missing NASA recordings and a race to the moon all point to one very likely possibility: alien life exists, ...
1,075,783 views
6 months ago
From Season 5, Episode 2: The Sun's Evil Twin A serious issue and unbelievable turn of events occur for an early Soviet ...
407,551 views
The Mars Curiosity rover's discovery of the xenon element on the planet hints at the possibility of a past nuclear conflict on Mars, ...
6,750 views
Scientists uncover incredible pictures of Pluto showing that something might be moving across its surface. Subscribe to Discovery ...
914,791 views
7 years ago
Were humans the only ones to leave their mark on the Moon? Not according to this image. Catch full episodes of your favourite ...
3,024,775 views
4 years ago
Throughout its history, NASA has faced several UFO encounters, almost too many to believe that we're not alone out in space.
668,632 views
5 months ago
Scientists analyze how these Russian troops could have been turned into stone. Could it have been a petrification weapon?
73,433 views
Uncovering the Martian Mysteries: What NASA doesn't want you to know On July 25th, a NASA scientist was studying images of a ...
4,980,637 views
From Season 4, Episode 8: Mars's Deepest Secret Was the assassination of JFK connected to the memo he wrote to NASA just ...
1,310,620 views
Unmanned spacecraft Cassini's mission is diverted when it captures footage of water erupting from Saturn's moon Enceladus, ...
698,292 views
Do we know everything NASA knows about potential life in outer space? Check out this compilation from Ancient Aliens. 00:00 ...
867,611 views