Nasa's Unexplained Files
Pluto's Stranger Things
Season 4 of 8
Did Apollo astronauts hear unexplained transmissions on the far side of the moon? Plus, an astronomer spots a strange disturbance in Martian atmosphere
Nasa's Unexplained Files airs on Discovery Science at 8:00 AM, Thursday 26 December. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
Unexplained ➝ Mysteries