A new study suggests that Mars may have once had an active carbon cycle, which could explain why the planet was warmer and ...

Tutolo led a new study of rock samples collected by the Curiosity rover that might have answered this question. The mystery ...

Specific areas of research include modeling the global carbon cycle using isotope ratios in atmospheric carbon dioxide and methane, development of techniques for measuring isotope ratios in ...

But geological formations clearly indicate that ... Curiosity’s findings also show evidence of an ancient carbon cycle on Mars. Researchers identified iron oxyhydroxides in the carbonate-bearing ...

A new study led by a University of Calgary scientist has found evidence that suggests Mars once had a carbon cycle, giving further support for the past habitability of the red planet. Using data ...

The emergence of life on our planet added a new layer to the carbon cycle. As plants grow ... releasing vast amounts of CO 2 in a geological blink of an eye. Estimates show that by burning these ...