Unsealed Alien Files
Investigate released documents regarding alien and UFO encounters, made accessible to the public in 2011 by the Freedom of Information Act. We investigate mass UFO sightings, personal abductions, government cover-ups, and more from around the world.

Second Skin
Many experts believe aliens have visited the Earth for thousands of years, but if we can't survive space travel without a protective suit, how can they.

The 1952 Wave
In the spring of 1952, UFO sightings go off the charts. For years, the U.S. government has told the postwar public that UFOs do not exist, but behind the scenes, U.S. Air Force officials are divided.

The Freedom of Information Act
In 1969, the U.S. government officially announces it will stop investigating UFOs. However, declassified documents reveal that multiple government agencies have been hiding important UFO sightings for decades.

The Space Force
Since the early 1960s, we've experimented with how to travel off planet Earth.

The Shoot Down Order
Since the Jet Age, fighter pilots have been scrambled to intercept UFOs in our skies, but what happens when pilots are sent a Shoot Down Order and can't complete their mission?

Seeing Is Believing
For decades, governments around the world have investigated UFO sightings, often times under an umbrella of secrecy. How are these top-secret studies conducted.

Inside UFOs
Alien abductions are the only types of encounters in which eyewitness testimony can reveal details about the inside of UFOs.

Unwelcome Visitors
If aliens have visited Earth, why are they here and what are they truly after.

Alien Journeys
In order to survive mankind must find a way to navigate the galaxy.

Finding Aliens
Rapid advancements in science and technology have given mankind unprecedented access to distant galaxies that could harbor life.

UFO Photos
As technology advances, more and more people are capturing images of inexplicable objects in the sky.

UFOs From Earth
Examining the possibility that UFOs may be from Earth.

Summer of Saucers
In 1947, a series of UFO sightings triggers an unprecedented analysis that propels the UFO phenomenon on to the world stage. We investigate how the U.S.

Police Sightings
UFO sightings happen almost every day. But in the court of public opinion the most credible witnesses come from law enforcement. Join us as we investigate the most important police sightings of UFOs.

Space Shuttle Encounters
Between 1981 and 2011, NASA's Space Shuttles flew 135 missions.

Mass Sightings
Many famous UFO sightings occur in remote locations with just a single eyewitness. But some sightings have taken place over large cities with hundreds of witnesses.

Mars, the Final Frontier
Scientists have never been closer to proving that life once lived on Mars. But is it still there? And if so, how has it evolved.

Alien Communications
Scientists and Ufologists are scouring the vast regions of space for signs of extraterrestrial life.

Artificial Alien Intelligence
Some scientists believe the survival of mankind hinges upon the revolutionary science of Artificial Intelligence.

First Contact
For decades, scientists have been searching for proof that extraterrestrials exist. But just where does alien life exist? And what does it look like.
