When the DSCOVR mission was conceived in the late 1990s, one of the central ideas was to provide daily, natural-color views of the entire Earth so that everyday citizens could see it. Seventeen years later, we have that view.
Orbiting the Earth at nearly 17,000 miles per hour, NASA's Ice, Cloud and land Elevation Satellite (ICESat) is collecting spectacular new three-dimensional measurements of the Earth's surface and atmosphere.
Twenty years ago this month, astronauts on the space shuttle Discovery used the spacecraft's robotic arm to launch the Upper Atmosphere Research Satellite into orbit around the Earth.
Landsat 7, NASA's newest Earth-observing satellite, launched without a hitch on April 15, 1999, at 2:32 p.m. EST from Vandenberg Air Force Base, California.