Who or What Is Knocking On His Spacecraft? | NASA's Unexplained Files
7:33
Scientists Find Unusual, Non-Human Footprints On The Moon | NASA's Unexplained Files
11:13
CHILLING MESSAGES ENCODED in Egyptian Tombs | Secrets of Ancient Egypt
3:30
I Jumped From Space (World Record Supersonic Freefall)
8:32
Is an Alien Spacecraft Hiding in the Kuiper Belt? | NASA's Unexplained Files
16:15
The Soviet Obsession With Venus Revealed
8:35
Did The Soviet Union Discover Aliens In The Deepest Lake In The World? | UFOs: The Lost Evidence
23:34
Three Men Lost in Space – The Apollo 13 Disaster
18:31