Examine the theory that real-life close encounters have been happening for millennia - and that the evidence can be found in the ancient ruins and writings left behind by our human ancestors.
Finally, members of top military and aviation organizations break their silence to reveal exactly what the government knows about alien life, and what they stand to gain by lying about it.
For decades, cameras have captured images of a flying creature so fast it cannot be seen with the naked eye. Super-high-speed photography and physics experiments will shed light on what this creature might be.
A mysterious, stark terrain, 90 miles north of Las Vegas, goes by many names: The Box, Paradise Ranch, Groom Lake, Watertown Strip, and Dreamland. But most refer to the region as Area 51.
In 1987, documents surfaced indicating the existence of an elite group of scientists and intelligence officials assembled by President Truman. Did this group forever trivialize the most famous UFO event in history?
When rogue aliens launch a surprise attack on Earth, people are left dying in the streets, world governments are obliterated, cities are destroyed, and a deadly virus is unleashed. Can mankind survive?