How did the Nazis produce technology that was far more advanced than anywhere else in a matter of years? Were they being helped by an extra-terrestrial source?
The US government denies the existence of extra-terrestrial life. But news of a secret UFO programme may reveal shocking evidence.
UFO experts investigate the legend of El Dorado. Did ancient civilizations trade gold for extra-terrestrial knowledge?
Humanity's rapid technological advances have transformed the way humans live. Could extraterrestrials be involved and aided these scientific innovations?
Investigators reveal the secret history of US presidents and their knowledge of UFOs. Do they know more than we think and what are they hiding?
People have been claiming they were abducted by aliens since the first rumours of UFO sightings. Now, experts examine implants found in these possible victims.
New evidence suggests contact with interstellar travellers in the distant past may have influenced many sacred sites. Experts examine the connection.
Using audio recordings, official transcripts and incident reports, experts examine rumoured encounters between law enforcement and UFOs. What really happened?
Native American myths and UFOs have been linked for thousands of years. Evidence and modern-day sightings cause experts to revisit these legends.
The RAF is said to have encountered and engaged with UFOs since WWII, but the British government denies this. Why would they withhold UFO information?