Polar scientists believe Antarctica's Pine Island Glacier to be thinning because of warm ocean waters below.
Researchers embark this week on a month-long airborne campaign to measure ice sheet and glacier thickness.
NASA has created a unique "spherical" movie about Earth's changing ice and snow cover as captured by NASA spacecraft.
Before Phoenix began digging into the arctic plain of Mars, scientists traveled to one of the coldest, driest places on Earth for soil-and-ice studies to aid in the analysis of Mars data.
Once presumed to be cooling or stable, NASA scientists have recently confirmed a warming trend on the Antarctic Peninsula.
NASA's Mars Reconnaissance Orbiter has revealed vast Martian glaciers of water ice under protective blankets of rocky debris at much lower latitudes than any ice previously identified on the Red Planet.
Researchers took advantage of NASA satellite images to show that the microscopic floating plants are teeming in regions of recent ice melt.
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