Research from NASA's Curiosity rover has found evidence of a carbon cycle on ancient Mars, bringing scientists closer to an ...

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

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

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

To study Mars’s chemical and mineral makeup, the Curiosity rover drills one to 1.5 inches down into the subsurface, then ...

Mars' magnetic mystery may finally have a solution—scientists now think the Red Planet’s ancient magnetic field only existed ...

Billions of years ago, Mars was warmer and wetter than today, perhaps because volcanoes belched enough carbon dioxide to ...

A new study analyzing data from NASA's Perseverance rover has uncovered compelling evidence of multiple mineral-forming events just beneath the Martian surface -- findings that bring scientists one ...

How can we successfully collect and return samples from Mercury and Venus to Earth? This is what a recent study presented at the 56th Lunar and Planetary Science Conference hopes to address as a pair ...