On the 21st day of its mission in Mars's north polar region, NASA's Phoenix Mars Lander used its scoop OTD in 2008 to reveal lumps of white ice under the surface of the rusty soil.
Scientists watched how the ice sublimed over 4 days, concluding that it was likely water ice.
ALT NASA's Phoenix Mars Lander's robotic arm scooped up loose orangey soil to create a shallow trench. White dice-sized chunks were revealed, as seen in the upper right-hand portion of this image.