GRACE-FO Gravity Recovery and Climate Experiment Follow-on Active Mission GRACE-FO is a successor to the original GRACE mission, which orbited Earth from 2002-2017. GRACE-FO tracks Earth's water movement. Type Orbiter Launch May 22, 2018 Target Earth Objective Tracking Earth's water movement Learn more about GRACE-FO Latest News More GRACE-FO (Gravity Recovery and Climate Experiment Follow-on) News Blog2 Min ReadNASA Satellites Reveal Aquifer Decline in Brazilian BreadbasketArticle4 Min ReadDrought Parches Florida 6 Min ReadQuantum Sensing via Matter-Wave Interferometry Aboard the International Space StationArticle 4 Min ReadNASA Satellites Reveal Abrupt Drop in Global Freshwater LevelsArticle 6 Min ReadNASA-Funded Studies Explain How Climate Is Changing Earth’s RotationArticle Keep Exploring Discover More from Earth Science Explore Earth Science Earth Science at Work NASA Earth Science helps Americans respond to challenges and societal needs — such as wildland fires, hurricanes, and water supplies… Earth Science Missions In order to study the Earth as a whole system and understand how it is changing, NASA develops and supports… Earth Science Data Open access to NASA’s archive of Earth science data