Origins Unknown: The Alien Presence on Earth

In one single, epic camera move we journey from Earth's surface to the outermost reaches of the universe on a grand tour of the cosmos, to explore...

In an age when misinformation, alternative facts, and conspiracy theories have become mainstream, UFOs have risen to become one of the most-talked...

Some 220 miles above Earth lies the International Space Station, a one-of-a-kind outer space laboratory that 16 nations came together to build. Get a...

Join the Mars rovers Spirit and Opportunity for an awe-inspiring journey to the surface of the mysterious red planet.

A documentary about aliens and UFOs with re-enactments of alien interviews and video of a supposedly real video of an alien being interviewed by...

National Geographic's riveting effort recounts all 12 crewed missions using only archival footage, photos and audio.

The alien abduction phenomenon, told by those who experienced it, with the weight of a Pulitzer Prize-winning Harvard psychiatrist at their back.

Dr. Steven Greer exposes the hidden truths and the earth-changing consequences if this secrecy continues. He reveals a web of disinformation and the...

For 18-year-old Finnish–Kosovan Fatu, a simple visit to the grocery store feels as nerve-racking as a lunar expedition: for the first time in...

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Venus and Mars, and find proof of new planets and...

From Long Island's Montauk Monster to Mexico's Metepec creature, this special probes the facts and fiction of the world's most mysterious remains.

What’s it like to dedicate your life to work that won’t be completed in your lifetime? Fifteen years ago, filmmaker David Licata focused...