NASA successfully launched spacecraft that will help resolve the mystery of what triggers geomagnetic substorms.

Scientists using NASA satellites have discovered an extensive network of waterways beneath a fast-moving Antarctic ice stream that provide clues as to how "leaks" in the system impact sea level and the world's largest ice sheet.

NASA scientists may have discovered how a warmer climate in the future could increase droughts in certain parts of the world, including the southwest United States.

NASA climatologists have found that 2006 was the fifth warmest year in the past century.

Electronic sensors are not only tracking sea creatures, they are also collecting valuable data on temperature and salinity conditions to improve ocean models.