Multimedia | Mission to Mercury May Hold Clues to Earth?s Origins

Mar, 27 2015

NASA?s MESSENGER spacecraft has been orbiting Mercury for the last four years, giving scientists an unprecedented look at our solar system?s innermost planet. But now the craft?s fuel supply is exhausted, and it is scheduled to crash on Mercury in April. Sean Solomon, director of Columbia University?s Lamont-Doherty Earth Observatory, has been leading the mission, and in this video, he talks about its implications.