Is Mars' Methane Spike a Sign of Life? Here’s How We’ll Know
by Daniel Oberhaus from on (#4HVXY)
The Curiosity rover detected a high concentration of methane on the red planet. Two Mars orbiters may soon clarify what that sighting really means.The Curiosity rover detected a high concentration of methane on the red planet. Two Mars orbiters may soon clarify what that sighting really means.