NASA has selected a $200 million mission to carry out a full-sky survey for exoplanets orbiting nearby stars. The space observatory, called the Transiting Exoplanet Survey Satellite (TESS), is scheduled for a 2017 launch. -><img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/QZgRcLWK5LA" height="1" width="1"/>
