Right now, Mars is a reddish desert landscape – attractive but dead, and certainly not home to any little green men.

We have wondered for centuries whether our neighbouring planet is home to life, just like our own. In the 19th century, the idea of men on Mars took off after astronomer Giovanni Schiaparelli ...

This one-hour program, Is There Life on Mars?, is divided into six chapters. Choose any chapter below and select QuickTime or Windows Media Player to begin viewing the video. If you experience ...

In other words, Mars had a warm body of water, open to the air and not covered by ice, supporting the possibility that there was in fact life on Mars. "The team estimates that the ripples formed ...