Curiosity has just finished the latest leg of its 12-year Mars mission and will now set out to explore miles of web-like surface features left behind by ancient water on the Red Planet. The zig-zagging rocks could also provide clues about whether Mars once harbored extraterrestrial life.

NASA's Curiosity rover finds spider-like rock formations on Mars, hinting at ancient water and possible life. These boxwork deposits could reveal Mars' hidden geological past.

Tens of millions of miles from home, NASA's Curiosity rover has shared what it's grateful for this Thanksgiving