He is active in educating the public about space exploration. He is a frequent contributor to popular astronomy and science magazines, has made a number of television appearances on major network and cable channels, and gives free public lectures. He is currently a professor at the Arizona State University School of Earth and Space Exploration and an adjunct professor at the Cornell University Astronomy Department's Center for Radiophysics and Space Research.
He is actively engaged in educating the public about space exploration. He frequently publishes articles in popular astronomy and science magazines, has made numerous television appearances on major networks and cable channels, and gives free public lectures. Currently, he serves as a professor at the Arizona State University School of Earth and Space Exploration and an adjunct professor at the Cornell University Astronomy Department's Center for Radiophysics and Space Research.