NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover an Earth-sized planet in it's parent star's habitable zone. The planet is designated TOI 700 d. Story: [NASA's TESS Planet Hunter Finds Its 1st Earth-Size World in 'Habitable Zone'](https://www.space.com/nasa-tess-first-earth-size-habitable-exoplanet-toi-700d.html) [TESS: NASA's Search for Earth-Like Planets](https://www.space.com/39939-tess-satellite-exoplanet-hunter.html) Credit: NASA's Goddard Space Flight Center/Chris Smith (USRA) Scott Wiessinger (USRA): Lead Producer Chris Smith (USRA): Lead Animator Jeanette Kazmierczak (University of Maryland College Park): Lead Science Writer Gabrielle Engelmann-Suissa (USRA): Scientist Barb Mattson (University of Maryland College Park): Narrator Geronimo Villanueva (Catholic University of America): Visualizer