One of the most vexing (and exciting) puzzles on Mars is that of the detection of methane in the red planet’s atmosphere. As methane breaks down quickly when exposed to ultraviolet light from the sun, there must be a production mechanism below the Martian surface replenishing the organic gas as detected by Mars orbiters and astronomical observations from Earth.
But is that mechanism geological or biological in origin? In ongoing research at the University of Arkansas, there’s a focus on the latter. Read more >>