“The discovery of abundant siderite in Gale Crater represents both a surprising and important breakthrough in our ...

The surface of Mars is extremely cold, irradiated, and desiccated. But at one time, the planet was much warmer and wetter, ...

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

Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to ...

NASA's Curiosity rover has found iron-rich carbonates on Mars, offering new clues about the planet's ancient climate and ...

NASA's Curiosity Rover has discovered long carbon chains on Mars. On Earth, molecules like these are overwhelmingly produced ...

A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red ...

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

Mars attracts attention in an odd way. This time, it has to do with a skull-shaped rock rather than cold poles or old rivers.

In a study co-authored by a Texas A&M University scientist, researchers have revealed new insights into the geological ...

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

A treasure trove of clues from Curiosity reveals that ancient Mars once trapped massive amounts of CO2 in its crust, thanks to surprising concentrations of iron carbonate deep in Gale Crater. By ...