NASA's Kepler space telescope hasn't exactly been a slouch when it comes to planet hunting, but that effort will soon be getting a considerable boost courtesy of a new mission selected by NASA as part of its Explorer program. Dubbed the Transiting Exoplanet Survey Satellite (or TESS), this new space telescope will one-up Kepler with the ability to perform an all-sky survey (an area 400 times larger than previous missions) to search for transiting exoplanets, with an eye towards planets comparable to Earth in size. TESS was developed by an MIT-le