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NASA Aeronautics Research Mission Directorate NASA's Aeronautics Research Mission Directorate works to solve the challenges that still exist in our nation's air transportation system, including air traffic congestion, safety and environmental impacts. + View site NASA Science Mission Directorate NASA's Science Mission Directorate and the nation's science community use space and airborne observatories, satellites and specialized aircraft to conduct scientific studies of the Earth and to peer out into our galaxy and beyond. NASA's science program seeks answers to questions about changes in Earth's climate and the environment, variations in the sun and how that affects Earth and the rest of the solar system, how planets and life originate and the origin, destiny and workings of the universe. + View site |
Human Exploration and Operations NASA's Human Exploration and Operations Mission Directorate manages NASA space operations related to human exploration in and beyond low Earth orbit. NASA research activities in low Earth orbit are carried out on the International Space Station. Exploration activities beyond low Earth orbit include the management of Commercial Space Transportation, Exploration Systems Development, Human Space Flight Capabilities, Advanced Exploration Systems, Space Life Sciences Research and Applications and related endeavors. + View site |