Senior Editor and Planetary Evangelist, The Planetary Society
Senior Editor Emily Lakdawalla has returned from the Lunar and Planetary Science Conference in Texas with the latest revelations about our solar system. She shares them in an extended report. Bill Nye is back at home, too. He attended the fifth White House Science Fair, where he shared some thoughts with Charles Bolden, the NASA Administrator. Bruce Betts and Mat Kaplan get serious—or is that Cereous?—about the new space trivia contest on What’s Up.