Can science’s tools be of use when we step outside the realm of matter and into the realm of values, ethics and God? Or do we need another set of tools? What can we know once we’re “out there”? Dr. David Helfand is chair of Columbia’s Department of Astronomy, the creator of Frontiers of Science, and a committed atheist. Dr. Kenneth Miller is a professor of Biology at Brown University and a firm believer in God.