Tardigrades, a type of microscopic animal, can reveal information about how life interacts with simulated Martian mineral deposits. The three images on top are active tardigrades in a typical Earth ...
After exposing notoriously resilient microscopic animals called tardigrades to simulated Martian soil, they began to move extremely slowly ...
A new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic molecules discovered on Mars.