NASA Ponders Why Gas Produced by Life on Earth Is Leaking Out of Mars at Night
NASA's Mars Curiosity rover has made a puzzling discovery while roaming the barren surface of the planet's Gale Crater: puffs of methane gas that only appear at night and vanish during the day. The rover's Sample Analysis at Mars (SAM) instrument detected spikes of the gas, sometimes spiking to 40 times the usual levels […]
Source: yahoo.com