The American Association for the Advancement of Science, "Triple A-S" (AAAS), is an international non-profit organization dedicated to advancing science around the world by serving as an educator, leader, spokesperson and professional association.

NASA is the primary U.S. organization doing space research and exploration, as well as studying the Earth from space.

"The SPDF is a project of the Heliospheric Science Division (HSD) at NASA's Goddard Space Flight Center. SPDF consists of web-based services for survey and high resolution data and trajectories. The Facility supports data from most NASA Heliophysics missions to promote correlative and collaborative research across discipline and mission boundaries."

"NOAA's National Center for Environmental Information (NCEI) provides scientific stewardship, products, and services for environmental data from the Sun to the Earth and Earth's sea floor and solid earth environment, including Earth observations from space."

Access to astrophysics, space physics, solar physics, lunar, and planetary data from NASA space flight missions; educational and public outreach information; and a photo gallery.