NASA's TESS exoplanet hunter found its first Earth-size planet, but you wouldn't want to visit

NASA's TESS exoplanet hunting telescope has been on the job for less than a year, but it's already racking up some impressive discoveries. Following the announcement of a new "Hot Saturn" back in March, NASA just revealed that TESS found its first Earth-sized planet outside of our solar system. TESS -- which stands for Transiting Exoplanet Survey Satellite -- is designed to detect the telltale signs of exoplanets orbiting the stars it observes by spotting the tiny changes in brightness associate...