Making methane on Mars – UCI News

Methane burps on young Mars helped it keep its liquid water

Making methane on Mars – UCI News

Finally, A Possible Explanation For Mars' Strange Bursts Of Methane

NASA news: Life on Mars questioned after methane disappears on Red Planet, Science, News

Scientists Turn Back Time to Track Methane Emissions on Mars - Eos

How will methane be produced on Mars for Mars missions for rocket refuel? - Quora

Mars methane spike, stem-cell clinics and India's space plans

Mars Mission: Methane-based fuel could be created on Red Planet to get astronauts home, Science, News

Making methane on Mars – UCI News

Curiosity Finds Methane, Organic Molecules on Mars, Space Exploration

ESA - Ten things you did not know about Mars: 7. Methane

Methane-based rocket fuel 'can be made on MARS in one-step process