A hidden box-lattice suggests groundwater sculpted Mars long after surface water fled; Curiosity’s drills aim to confirm the ...

By discovering carbonate rocks, NASA's Mars rovers may have unlocked the key to understanding the fate of the Red Planet's ...

New modeling of carbon cycle shows unsteady but habitable history before liquid water disappeared New models from recent ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...