A:
A Rare Astronomical Event: Transit of Venus - Webcast - A Rare Astronomical Event: Transit of Venus - A Webcast of a presentation at the Library of Congress by Sten Odenwald, PhD., NASA. [U.S. Library of Congress (LOC)]

Astrobiology Magazine - Information and discussion groups devoted to Extrasolar life; Extreme life; Life and Giant Planets; Mars Life; Meteors, Comets, and Asteroids; Missions; New Planets; Stellar Evolution; Terrestrial Climate History; Terrestrial Origins. [National Aeronautics and Space Administration (NASA), Ames Research Center (ARC)]

Astrobiology: Life in Space - A Webcast of a presentation at the Library of Congress by Dr. Daniel (Danny) Glavin, Astrobiologist at NASA’s Goddard Space Flight Center. [U.S. Library of Congress (LOC)]

Astrogeology Research Program - Primary homepage for the Astrogeology Research Program with links to solar system, space missions, technology, data & information, research programs for geology, remote sensing, and ice & polar, hot topics, photo gallery, and Astro Kids [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Astrogeology Research Program]

Astronomy -- Selected Internet Resources - Selected Internet Resources -- Astronomy. Science Reference Services; Science Reference Section; Library of Congress [U.S. Library of Congress (LOC)]

C:
Center for Earth and Planetary Studies - Research and outreach activities on topics covering planetary science, terrestrial geophysics, and the remote sensing of environmental change. [Smithsonian Institution]

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)]

G:
Goddard Institute for Space Studies (GISS) - Prediction of atmospheric and climate changes in the 21st century based on research of global datasets [National Aeronautics and Space Administration (NASA), Goddard Space Flight Center (GSFC)]

Goddard Laboratory for Atmospheres - Advancing knowledge and understanding of the atmospheres of the Earth and other planets [National Aeronautics and Space Administration (NASA), Goddard Space Flight Center (GSFC)]

L:
Lunar and Planetary Institute - A focus for academic participation in studies of the current state, evolution, and formation of the solar system [National Aeronautics and Space Administration (NASA), Johnson Space Center (JSC)]

M:
Map-a-Planet - Global imagery of the planets and satellites from a variety of missions; customizable/downloadable image maps of planets and moons. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Astrogeology Research Program]

Mapping Water Use from Space - Webcast - Webcast of a talk at the Library of Congress. Martha Anderson, PhD., talks about using images from the Landsat satellite program to monitor water use and drought on U.S. farms. It is used to measure evapotranspiration, the total amount of water used in the process of growing crops. [U.S. Library of Congress (LOC)]

Mapping the Moon with WALL·E - Webcast - Mapping the Moon with WALL·E - Marci Delaney, PhD., NASA, at at talk at the Library of Congress, shows how NASA and WALL-E partner to help students across the country learn how scientists and engineers work together to accomplish robotic missions. [U.S. Library of Congress (LOC)]

Mars Update: Webcast - A Webcast of a presentation by Mars Update. James Garvin, NASA, who spoke about recent research and plans for Mars exploration. [U.S. Library of Congress (LOC)]

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

N:
NASA - Spooky Space 'Sounds' - Elusive sounds of howling planets and whistling helium [National Aeronautics and Space Administration (NASA)]

NTRS (NASA Technical Reports Server) - Search for reports, journal articles, and conference proceedings [National Aeronautics and Space Administration (NASA)]

P:
Planetary Image Archive (PIA) - An image database of Solar System planets and moons captured by NASA spacecraft including the Hubble telescope [National Aeronautics and Space Administration (NASA), Jet Propulsion Laboratory (JPL)]

Primer on Space Weather - Information on solar flares, Coronal Mass Ejections (CMEs,) and magnetic storms and their effects on the earth. [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]

S:
Spectroscopy Laboratory - Links to Spectroscopy Lab projects to identify and map materials through spectroscopic remote sensing (imaging spectroscopy, hyperspectral imaging, imaging spectrometry, ultraspectral imaging, etc.) on the earth and in space. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]