A former intern tells why she?s returned to JPL

The Grace mission offers a novel and much needed view of Earth?s water supplies.

Follow the vital signs of our planet

NASA has begun its latest hurricane science field campaign.

A NASA-sponsored expedition is set to sail to the North Atlantic's saltiest spot.

JPL ice expert reflects on record Arctic low

Sea ice breaks lowest extent on record

On July 8, 2011 the Space Shuttle Atlantis launched for the very last time. As the shuttle reached a height of about 70 miles over the east coast of the U.S., it released ? as it always did shortly after launch ? 350 tons of water vapor exhaust.

NASA's Tropical Rainfall Measuring Mission satellite captured rainfall data from Tropical Storm Isaac as it continues moving through the Caribbean Sea.

Scientists at NASA have added yet another instrument to an expanding climate research hub at NASA's Langley Research Center, putting Hampton, Va., on the map in a worldwide network of atmospheric measurements.

An unusually strong storm formed off the coast of Alaska on August 5 and tracked into the center of the Arctic Ocean, where it slowly dissipated over the next several days.

Billions of people will see London through many different filters and lenses during the 2012 Olympic Games and Paralympic Games. None of those views will look quite like this one from the Suomi National Polar-orbiting Partnership satellite.

Study slashes deforestation emissions estimate

Study: Ancient Antarctica was warmer, wetter

Take a peek at our latest Earth image of the week. If you like it, download it!

Scientists have made a biological discovery in Arctic Ocean waters as dramatic and unexpected as finding a rainforest in the middle of a desert.

It's been a busy first year in space for Aquarius, NASA's pioneering instrument to measure ocean surface salinity from orbit.

To celebrate the 40th Anniversary of the Landsat satellite, the U.S. Geological Survey and NASA are asking for your help in selecting the top five "Earth as Art" images from the more than 120 images in the complete collection.

Fires burning in Siberia recently sent smoke across the Pacific Ocean and into the U.S. and Canada.

NASA is sending "storm sentinel" unmanned aircraft to fly over stormy skies. The aim is to help researchers and forecasters uncover information about hurricane formation and changes.