Special stone found on Mars: how did it end up there?

Special stone found on Mars: how did it end up there?

For more than a decade, NASA’s Rover Curiosity has been like a robotic archaeologist, slowly walking through the dusty landscape of Mars in search of clues about its past. And now, after 13 years of exploration and 34 kilometers traveled, this mechanical explorer has found something that could change our understanding of the ancient habitability of the red planet. A discovery buried under layers of time Curiosity’s mission has always been clear:…

Curiosity found the mineral, which forms in the presence of liquid water and carbon dioxide, 13 years after its mission began.