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

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

NASA's Curiosity rover has unearthed compelling evidence of a past carbon cycle on Mars, discovering siderite within Gale ...

The siderite identified in Curiosity data helps confirm and refine models of Mars's early warm period, more than 3.5 billion ...

NASA's Curiosity rover landed on Mars on Aug. 5, 2012, and has travelled more than 34 kilometres on the Martian surface. The discovery of carbonate suggests that the atmosphere contained enough carbon ...

There are conflicting ideas about the development of rural Africa: On the one hand, governments and conservation ...

The Curiosity rover identified hidden caches of the mineral siderite, which could help explain why Mars lost its habitable climate.

In the global carbon cycle microorganisms have evolved a variety of methods for fixing carbon. Researchers have investigated the methods that are utilized at extremely hot, acidic and sulfur-rich ...

The European Space Agency’s new probe, Biomass, will spend five years orbiting the planet and gathering radar imagery of ...

A treasure trove of clues from Curiosity reveals that ancient Mars once trapped massive amounts of CO2 in its crust, thanks ...

A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence ...