The Universe · SEASON 5
Mars: The New Evidence
Episode 2 · 2010-08-05

- Documentary
Episode overview
A look for evidence of life on Mars which provides many clues that it now, or once had supported it; from the remains of lakes and rivers that once flowed on the surface; to the water ice frozen at the poles; to the seasonal changes in methane gases that may prove bacterial life still thrives underground.
45 minutes