Life on Mars: Researchers discover unexpected bacterial problem. Bacteria could survive on Mars, while humans cannot exist there without aids.
This represents a new challenge. On Earth, the four bacterial strains examined live harmlessly in the human body, but can cause illness under stress. On Mars, the bacteria were able to find enough water, nutrients and protection from the deadly UV rays in the crevices of the regolith. The results of the study were published in the journal Astrobiology. Read why the total solar eclipse in April could be particularly dramatic.