Who's Who

The Cast

Mat Kaplan

The voice of Planetary Radio and our man about town, Mat Kaplan visits with scientists, engineers, project managers, advocates, writers, and all sorts of cool space people who provide a unique perspective on the quest for knowledge about our solar system and beyond and brings them all to you weekly via radio, podcast, and video.

Bill Nye

CEO, Bill Nye. Yes, the Science Guy is now the Planetary Guy. Come along on a cosmic jouney with Bill and learn more about Your Place In Space.

Bruce Betts

Our resident planetary scientist and director of projects will keep you up to date on all the exciting projects we are working on. From searching for dangerous asteroids to flying our very own solar sail spacecraft, Bruce will make sure you know what's going on plus enlighten you with his unique bits of space trivia with Random Space Facts, too!

Emily Lakdawalla

Emily Lakdawalla, Planetary Society blogger, podcaster, webcaster, Twitterer, et cetera. A true science cheerleader and total space geek, Emily is considered one of the most influential and passionate space bloggers around. Emily is a planetary geologist with a unique way of blending science facts and space news with a sense of whimsy, and, yes, lots of pretty pictures!