A:
Ames Human Factors Research and Technology Division - Advances human-centered design and operations of complex aerospace systems through analysis, experimentation and modeling of human performance and human-automation interaction [National Aeronautics and Space Administration (NASA), Ames Research Center (ARC)]

D:
Deep Impact; NASA's smashing success - A First look inside a commet. [National Aeronautics and Space Administration (NASA)]

E:
Education Gateway - Materials related to earth science, robotics, spaceflight, the origins of life and the universe, and the Solar System [National Aeronautics and Space Administration (NASA), Jet Propulsion Laboratory (JPL)]

F:
Federal Resources for Educational Excellence ?¦( Science - Identifies effective curriculum resources, create high-quality professional development materials, and disseminate useful information and products to improve K-12 science teaching and learning [Department of Education (ED)]

M:
Mission to Saturn & Titan - Cassini-Huygens [National Aeronautics and Space Administration (NASA), Jet Propulsion Laboratory (JPL)]

R:
Return to Flight - NASA's return to flight coverage of the spaceship Discovery. [National Aeronautics and Space Administration (NASA), Langley Research Center (LaRC)]

S:
Socioeconomic Data and Applications Center (SEDAC) - [National Aeronautics and Space Administration (NASA)]

Space Biology an Educator's Resource - Intended to facilitate the inclusion of space biology content in standard biology classes [National Aeronautics and Space Administration (NASA), American Society for Gravitational and Space Biology]

Supernova Acceleration Probe (SNAP) - Measures a Type 1 supernova to study the dark energy of the Universe. [Department of Energy (DOE), Lawrence Berkeley National Laboratory (LBNL)]

Supernova Cosmology Project - Discovers and studies distant Type IA supernova to increase our understanding of the universe. [Department of Energy (DOE), Lawrence Berkeley National Laboratory (LBNL)]

U:
United States Group on Earth Observations - The US GEO reports to the National Science and Technology Council's Committee on Environment and Natural Resources. The website features publications and notices on Geosciences and Remote sensing. [National Aeronautics and Space Administration (NASA)]

W:
Wallops Flight Facility - Resource for providing low-cost integration, launch and operation of suborbital and small orbital payloads that support space-based research focused on Earth and its environments [National Aeronautics and Space Administration (NASA), Goddard Space Flight Center (GSFC)]