NASA’s Mars rover is on the trail of a geological mystery in the Jezero crater. While exploring an area known as Witch Hazel ...

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

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

Scientists using NASA’s Curiosity rover have discovered siderite—an iron carbonate—in the sulfate-rich rocks of Gale Crater, ...

These findings are important because active volcanoes on Earth often create conditions that support life—by releasing heat ...