NASA chooses all-sky planet hunter, neutron star watcher for liftoff in 2017

NASA has selected two new space missions for launch in 2017: a satellite that can scan the entire sky for exoplanets and a space station experiment that can monitor cosmic X-ray emissions. The Transiting Exoplanet Survey Satellite (TESS) and the Neutron-star Interior Composition Explorer (NICER) won out at the end of a selection process that took more than two years."With these missions we will le...