Science Scratching the Surface: Geysers on Mars KUAF | By Caitlin Ahrens Published July 1, 2019 at 11:27 AM CDT Facebook Twitter LinkedIn Email Listen • 2:15 1 of 2 2 of 2 On this episode of Scratching the Surface, Caitlin talks about the geysers on Mars, and how they function. Caitlin Ahrens - The Pluto Manager