NASA
Jet Propulsion Laboratory: Global Climate Change: Sea Level Viewer
This viewer allows you to see ocean heat storage from space. These images indicate sea surface heights. Learn more about El Nino and La Nina and how they have profound effects on world climate.
NASA
Nasa: Jet Propulsion Laboratory
NASA's Jet Propulsion Laboratory at the California Institute of Technology is "the lead US center for robotic exploration of the solar system."
NASA
Nasa: Shuttle Radar Topography Mission
The Shuttle Radar Topography Mission, a project to collect the most accurate topographic database for the Earth, is documented at this site.
NASA
Nasa: Innovative Engines
NASA's Glenn Research Center reports on its innovative engines program, namely ion propulsion, a technology that once only powered imaginary spacecraft in science fiction novels. It is now a reality.
Khan Academy
Khan Academy: The Start of the Space Race
Looks at the USSR's launch of Sputnik and the galvanizing effect it had on America's motivation to fund aerospace research. NASA was soon formed and more funding was put in place for public education in the sciences and math.
PBS
Pbs American Experience: The Women Who Brought Us the Moon
Thousands of women began their careers at NASA as computers, before the advent of electronic machines. A diverse and potent force in space exploration, their calculations were ultimately responsible for sending astronauts to the moon.