The relatively mild winter of 2012 has many people asking, "Where's the snow?" These maps show the answer.
The Clouds and the Earth's Radiant Energy System instrument had its 'first light' moment aboard the Suomi NPP satellite.
Inconsistencies between satellite observations of Earth's heat and measurements of ocean heating led NASA scientists to reexamine the data to solve the puzzle.
NASA's Students' Cloud Observations On-Line (S'COOL) program has received 100,000 cloud observations from students around the world.