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NASA's Curiosity rover finds evidence of a carbon cycle on Mars, suggesting past habitability.
NASA's Curiosity rover has found evidence of a carbon cycle on Mars, suggesting the planet could have supported life in the past.
The discovery of siderite, an iron carbonate mineral, in Gale Crater indicates Mars once had a climate with enough carbon dioxide to support liquid water.
While Mars' atmosphere has thinned over time, these findings help scientists understand the planet's potential to harbor life and its climate history.
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El rover Curiosity de la NASA encuentra evidencia de un ciclo de carbono en Marte, lo que sugiere habitabilidad pasada.