Phoenix Mars Lander Principal Investigator Peter Smith

Phoenix will soon be on its way to the Red Planet. Principal Investigator Peter Smith tells us about his aptly-named bird that will set down much farther north on Mars than any previous lander. Emily Lakdawalla solves the mystery of longitude on other planets in her Q&A contribution, while Bruce Betts explores a busy night sky and offers yet another space trivia contest in What's Up!