What appeared to be large boulders on Mars's rocky surface are actually dust-covered glaciers. While the large bodies of frozen water might not seem exciting, the frosty masses could tell us more about the posibilty of life-supporting water on the red planet.
Caitlin Ahrens takes a look at the discovery of Martian glaciers and what it means for the planet's capacity to harbor life.
Scratching the Surface airs Fridays at 2:04 pm. For more on the Center for Space and Planetary Science, visit spacecenter.uark.edu/
