400 Years of the Telescope

Laika, a stray dog, was the first living being to be sent into space and thus to a certain death. A legend says that she returned to Earth as a ghost...

On July 16, 1969, hundreds of thousands of spectators and an army of reporters gathered at Cape Kennedy to witness one of the great spectacles of 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...

This shows physicist Stephen Hawking's life as he deals with the ALS that renders him immobile and unable to speak without the use of a computer....

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

There are endless gruesome ways that the world could end; through nasty, natural disasters or because of some man-made abomination. From maniac...

How can structures, which take up defined, rigid portions of space, make us feel transcendence? How can chapels turn into places of introspection?...

Sniper: Bulletproof deconstructs and analyzes the little-known sniper events that have occurred when no other course of action was possible. The...

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

The captivating tales of the people and events behind one of humanity's greatest achievements in exploration: NASA's Voyager mission.

Physics is a system of models of nature according to which all phenomena are explained in terms of matter and force. Sound confusing? It doesn't have...

Aspiring teenage astronauts reveal that a journey to Mars is closer than you think.