Cosmic Front

Extraterrestrial Life - From Fiction to Fact? (1x2)

Air date: Apr 12, 2011

Extraterrestrial life = Science Fiction. Not so fast! -- the Cassini probe has provided photos of Enceladus, where scientists have found geysers of water vapor. And then there is Gliese 581g, a planet with Earth-like conditions....what would life forms look like in these watery environments?