NASA says the discovery of carbonate suggests the ancient Martian atmosphere contained enough carbon dioxide to support ...

A photomosaic taken by the Curiosity rover on April 30, 2023, at one drill site in Gale Crater, Mars. Rock powder samples ...

The Curiosity rover identified hidden caches of the mineral siderite, which could help explain why Mars lost its habitable climate.

A treasure trove of clues from Curiosity reveals that ancient Mars once trapped massive amounts of CO2 in its crust, thanks ...