“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, ...

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

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

NASA's Mars helicopter Ingenuity last flew on Mars. Watch the time-lapse, color images and stats from the flight. Credit: ...

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 discovered long carbon chains on Mars. On Earth, molecules like these are overwhelmingly produced ...

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

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 to surprising concentrations of iron carbonate deep in Gale Crater. By ...

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.