Mars may be a cold, desolate place, but it's a planet packed with secrets. One of the most intriguing mysteries of Mars has been swirling around the puzzling presence of methane gas. This gas, mostly produced by living organisms on Earth, has NASA's Curiosity rover sniffing around in Mars' Gale Crater. Mars methane behavior This Martian methane has an erratic, unpredictable behavior that defies current scientific understanding. It appears at night within Gale Crater, only to vanish during the Martian day. Additionally, its levels fluctuate dramatically...