Purported UFO sightings by astronauts and questionable images captured by NASA's cameras are discussed.
Thu, 4:00 am
A comet that the Hubble Space Telescope made to look like an alien spacecraft; whether Earth has been invaded by alien organisms; and a mysterious force that is destroying a near-Earth asteroid.
Thu, 5:00 am
Thu, 6:00 am
The Season 2 premiere examines an alleged UFO crash in Pennsylvania that may have been a Soviet satellite; whether Mercury houses life; and a skyscraper-sized shadow on the surface of Mars' largest moon.