Space's Deepest Secrets

From the mission that saw Pluto for the first time to the Mars rovers, a new breed of explorers are risking their careers, and even their lives, to lead humanity to worlds we have never seen and tackle the mysteries of life itself.

World scientists are searching for Dark Energy, the biggest challenge of physics; In Europe, a multi-billion dollar satellite will map the sky from space.

An exploration of the technology needed to survive the end of the world and the options for colonizing and starting over on a new planet.

Using 3D graphics to explore the icy wastes of Europa and the vast prehistoric oceans of Mars.

The story of how a large aerospace company, BAE Systems, started a secret project to counter the force of gravity while NASA simultaneously ran a similar Breakthrough Propulsion Physics program.

Millions of pieces of junk from old satellites and space missions orbit Earth; a clean-up effort by the U.S. government and others clears the path for future space travel.