First Aired
May 29, 2007
Seasons
9
Episodes
88
Episode Runtime
45 min
From the planets to the stars and out to the edge of the unknown, history and science collide in a wondrous yet deadly adventure through space and time.
2 cast members
4 Episodes • 2005
No overview available.
14 Episodes • 2007
An exhilarating voyage through the cosmos, from the farthest planets and stars in our solar system, back to the familiar face of our moon. Witness the sun's birth at the dawn of our solar system, and its death, billions of years in the future; explore the possibility of a human settlement on Mars; and learn about the devastating threats posed by the meteorites, comets, and asteroids that routinely collide with Earth.
18 Episodes • 2007
No overview available.
12 Episodes • 2008
No overview available.
12 Episodes • 2009
No overview available.
8 Episodes • 2010
No overview available.
7 Episodes • 2011
No overview available.
7 Episodes • 2012
No overview available.
4 Episodes • 2014
No overview available.
6 Episodes • 2015
No overview available.