"Countdown!" TESS Satellite's Search for Alien Worlds --WATCH Tomorrow April 15 NASA's Pre-Launch Press Conference

The countdown is on! The Transiting Exoplanet Survey Satellite (TESS) is scheduled to lift off from the Cape Canaveral Air Force Station in Florida on Monday, April 16, at 6:32 p.m. EDT. The space probe will study star systems that...