Microbiologists show that methanogenic archaea do not always need to form methane to survive. It is possible to bypass methanogenesis with the seemingly simpler and more environmentally friendly ...

Diversity and taxonomy of methanogens / David R. Boone, William B. Whitman, and Pierre Rouvière -- Microscopy / G. Dennis Sprott and Terry J. Beveridge -- Physiological ecology of methanogens / ...

A study concludes that known geochemical processes can't explain the levels of methane measured by the Cassini spacecraft on Saturn's icy moon. While the paper by no means suggests that life exists on ...