The lead author of a new study pointing to more proof of water on Mars says it brings scientists a step closer to determining ...

A surprise discovery in Gale Crater is the component that was missing in the puzzle of Mars's climate history.

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

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

Perseverance explores Jezero Crater’s rim, uncovering diverse rocks that reveal Mars’ ancient geology and possible signs of ...

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

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 ...

Mars helicopter Ingenuity appears to be missing rotor blades in Perseverance rover imagery captured. The rover's SuperCam ...

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...