Explore the latest discoveries about Mars' ancient carbon cycle revealed by NASA's Curiosity rover in Gale Crater.

Scientists have pondered why Mars seemed to be missing sufficient carbonates indicative of its warm, wet past. Now, NASA’s ...

Billions of years ago, Mars was warm, wet, and capable of sustaining liquid water on its surface. Scientists have long ...

Mystery of where all the carbon dioxide went that once made the red planet far more hospitable has puzzled scientists for ...

Much of this carbon dioxide would have leaked out into space ... "It turns out that the presence of other minerals – particularly highly water-soluble magnesium sulfate salts – likely masks the ...

Research from NASA's Curiosity rover has found evidence of a carbon cycle on ancient Mars, bringing scientists closer to an answer on whether the Red Planet was ever capable of supporting life. Lead ...

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

These highly water-soluble magnesium sulfate salts are what ... carbon cycle on Mars—the rocks and soil pulled more carbon dioxide out of the atmosphere than they replenished, causing the ...

NASA's fourth Mars rover has found large carbon deposits within carbonate minerals, suggesting that both liquid water and an ...