In an age when misinformation, alternative facts, and conspiracy theories have become mainstream, UFOs have risen to become one of the most-talked about pop culture phenomena. With all of this noise, how can we expect anyone to know how much of this is true? What is in our skies? What do we know, and how do we know it? And most importantly: Are we being visited?

CERN and the University of California-Santa Barbara are collaborating in the search for the elusive ...

In one single, epic camera move we journey from Earth's surface to the outermost reaches of the univ...

The fascinating and little-known story of the secretarial profession, which tells the story of the e...

The sun is the miracle that makes everything possible - but also the greatest danger. For the first ...
A short documentary about Fritz Lang's film 'Frau im Mond', and its relation to the science and hist...

Archival material from the original NASA film footage – much of it seen for the first time – plus in...

This feature-length documentary is a portrait of eclipse chasers, people for whom solar eclipses - a...

William Shatner presents a light-hearted look at how the "Star Trek" TV series have influenced and i...

A new age of space exploration, and exploitation, is dawning. But surprisingly, some of the boldest ...

Richard Doty is a former Air Force Intelligence operative whose job at Kirtland AFB in New Mexico in...
Real witnesses. Real encounters. Never before seen footage.

The New Horizons team examines the latest findings and imagery from Pluto and the fringes of our sol...

Top Gear presenter James May presents this informative program that examines the historic moon missi...

An epic journey around Mars — built from real satellite and rover data — revealing the red planet as...

Before the joint NASA/ESA Cassini-Huygens mission, humanity only knew what had been learned, decades...

A documentary about a teacher who sends a group of pupils out of the classroom when one of them does...