Breathing on Mars could now be possible, thanks to this bacteria

Tourists walk along a glacier during a simulated Mars mission on Tyrolean glaciers in Kaunertal, Austria, August 7, 2015. The Austrian Space Forum is sending some of its researchers to practice weight-less walking in spacesuits on a glacier which resembles the terrain on Mars. REUTERS/Dominic Ebenbichler

Photosynthesis could be the answer to the possibility of human life on Mars Image: REUTERS/Dominic Ebenbichler

Kristin Houser
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To colonise Mars, we must first figure out how to survive there. Image: NASA
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