Learn more about the Curiosity's carbonate discovery on Mars, and what it tells of about Mars' past and Earth's future.

In those drill sites, Curiosity detected deposits containing an iron carbonate material called siderite. According to Ben ...

Samples drilled by the Curiosity rover on Mars have revealed abundant signs of a carbon cycle that remained hidden from ...

To study Mars’s chemical and mineral makeup, the Curiosity rover drills one to 1.5 inches down into the subsurface, then ...