The lead author of a new study pointing to more proof of water on Mars says it brings scientists a step closer to determining ...

The find brings researchers closer to answering the question about whether Mars was ever capable of supporting life.

There, embedded in the bedrock, the Curiosity rover has identified a mineral called siderite that can only have formed from ...

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

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