Throughout history, people have prepared for the apocalypse. This series focuses on the different threats that may bring about the end of humanity.
Explore the life and times of Stan Romanek, who found himself in the middle of one of history's most intriguing stories of extraterrestrial contact.
After decades in decline, space exploration appears to be on the cusp of revitalization. This series forecasts new possibilities on the horizon.
Leading scientists gather in a custom laboratory and create sophisticated computer models of what life on other planets might actually look like.
Jonathan Frakes of 'Star Trek: The Next Generation' narrates this visual roundup of the best amateur film and video UFO footage.