Analyzing Alien Atmospheres

Mark Swain of the Jet Propulsion Laboratory leads the team that has found methane in the atmosphere of a planet orbiting another star. This is the first time an organic molecule has been found on an 'exoplanet.' Bill Nye is almost ready to buy a ticket to ride...into space. Emily Lakdawalla's Q&A explains why worlds are round, and edible space debris invades What's Up! Bruce Betts provides a look at the night sky and a new space trivia contest.