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?

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

Horizon visits state-of-the-art laboratories and uses CGI to recreate the science-fiction-worthy wea...

Joyce Jonathan Crone—Mohawk matriarch, retired teacher, activist, humanitarian—reaches forward into ...

Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Ea...

Morgan Spurlock tours the Middle East to discuss the war on terror with Arabic people.

The Parsi Community has inked an incredible mark in Cricket, with a rich and storied legacy dating ...

An educational film about frogs produced by Encyclopædia Britannica Films, an educational film produ...

An educational film about the nervous system produced by Encyclopædia Britannica Films, an education...

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

Join the Mars rovers Spirit and Opportunity for an awe-inspiring journey to the surface of the myste...
Real witnesses. Real encounters. Never before seen footage.

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Ven...
The purpose of Rise Above the Mark, narrated by Peter Coyote, is to educate the general public about...

After a close encounter with a UFO, a man becomes a trance channel for an extraterrestrial entity, w...

An incredible travel through space and time between the walls of the Paris Observatory, which is cel...

Some 220 miles above Earth lies the International Space Station, a one-of-a-kind outer space laborat...

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

Cave paintings and lunar calendars exist in the caves and remains of prehistoric hunters studied rec...

The documentary's title translates as "to be and to have", the two auxiliary verbs in the French lan...