NASA's Mars rover Curiosity has revealed that a light variant of the gas argon is relatively depleted in Martian air, bolstering a longstanding belief that the Red Planet's current atmosphere — which is just 1 percent as thick as that of Earth — is a ...
See all stories on this topic »
via Google Alerts - Mars Curiosity Rover
See all stories on this topic »
via Google Alerts - Mars Curiosity Rover