The microbial ecologist John Priscu of Montana State University discusses what led him to seek life beneath the barren, frozen wastes of Antarctica — and how his discoveries there are shaping the search for life on other worlds. Read the full interview here Video by: Reid Morth, Emily Buder, and Anna Aichinger for Quanta Magazine, with footage by Billy Collins, Kathy Kasic, and NASA Visit Quanta Magazine Facebook Twitter Instagram Sign up for our weekly newsletter