Latest Full EpisodesSee all »
The world didn't end on 5/21/11 as some feared, but someday it will, and not just on Earth.
Engineering in space represents the future of human civilization but also poses some of our greatest technical difficulties.
Known Universe reveals the tools, techniques and materials we'll need to create homes and more amongst the stars.
National Geographic examines volcanic eruptions and their astonishing effects on humans and entire galaxies.
Video ClipsSee all »
Cast & Details See all »
- Premiered: February 15, 2009
- Rating: TV-G
- Premise: A documentary series that sheds light on some of the most astonishing aspects of the universe. (more)
Trending TonightSee all »
By NickelodeonBuy New: $8.53
By National GeographicBuy New: $19.99
By Independently publishedBuy New: $19.99