Scientists have pondered why Mars seemed to be missing sufficient carbonates indicative of its warm, wet past. Now, NASA’s ...

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 Curiosity rover discovered siderite in Gale Crater. This shows Mars had a partial carbon cycle, storing and releasing ...

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

“The discovery of abundant siderite in Gale Crater represents both a surprising and important breakthrough in our understanding of the geologic and atmospheric evolution of Mars,” Benjamin Tutolo, ...

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

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 uncovered groundbreaking mineral clues that may finally explain why Mars lost its atmosphere and ...