Headed for a planned 2018 launch, the huge JWST will build on the success of the beloved Hubble Space Telescope. The project remains controversial even as components are completed. Emily Lakdawalla and Mat Kaplan report from the SpaceUp Unconference in San Diego, California. Bill Nye is back from New York where he premiered new Science Guy videos in Times Square. Bruce Betts offers night sky highlights and much more, including a new space trivia contest, in our What's Up segment.