Mars Rising Season 1 Episode 6 Search for Life

Is there life on Mars? Scientists in North America are combing the most barren places on Earth to search out bacteria, amino acids or carbonates that might offer clues. What if Mars has its own independently created life forms which are deadly to humans? Researchers on the Arctic's frigid Devon Island, British Columbia's Pavilion Lake, Chile's Atacama Desert and caves in New Mexico offer compelling chronicles.