This detailed astronaut photograph shows Canada’ Heiltskuk Icefield—mostly covered by snow across the upper mountain slopes—and two major valley glaciers that extend from it.
Published Aug 31, 2009
Melting and thinning of high-mountain glaciers makes them flow less due to gravity.
Published Dec 14, 2018
The retreat of one of Austria’s largest glaciers has stranded some of its tributaries, now classified as separate glaciers.
Published Jul 3, 2015
The Tracy and Heilprin Glaciers may not be Greenland’s largest, but they are retreating fast.
Published Apr 8, 2018
More than 30 years of ice velocity data are helping scientists tease out how mountain glaciers respond to climate change.
Published Sep 11, 2019
A piedmont-type glacier fans out across a plain in northeast Greenland.
Published Feb 20, 2015
In October 2006, a study using data from NASA’s Gravity Recovery and Climate Experiment (GRACE) satellites discussed the condition of the Greenland Ice Sheet. The study determined that, although the ice sheet had gained some mass in the interior, it had lost considerably more mass along the perimeter, particularly southeastern Greenland.
Published Nov 25, 2006
The looping medial moraines on Tajikistan’s Bivachny glacier offer a clue of periods when it surged rapidly forward.
Published Mar 17, 2015
The moraines of Malaspina glacier display a dizzying pattern of curves, zigzags, and loops.
Published Oct 11, 2015
The icefields of Patagonia, located at the southern end of South America, are the largest masses of ice in the temperate Southern Hemisphere (approximately 55,000 square kilometers).
Published May 8, 2006
The heavily crevassed terminus of Kong Oscar Glacier in northwestern Greenland crumbles into a mélange of icebergs in the Davis Strait.
Published Aug 25, 2010
The glacier atop Iceland’s Ok volcano was declared dead in 2014. Satellite images show the latter stages of its decline.
Published Aug 9, 2019
Acquired June 5, 2011, this natural-color image shows Roze Glacier on the coast of Novaya Zemlya, Russia.
Published Sep 18, 2011
With satellite eyes, the complex motion of glaciers becomes apparent.
Published Jan 7, 2016
The weather can often be fierce, but clouds cooperated for this expansive space-based view of the icefield.
Published Jun 28, 2017
Crisscrossing glaciers in northwest Greenland flow along the path of least resistance.
Published Jan 22, 2015
One of the highest mountain reliefs on Earth can be found in this tiny country sandwiched between eastern India and the Tibetan plateau,
Published Oct 11, 2005
The glaciers of Patagonia are some of the fastest and most erosive on Earth.
Published Jul 14, 2017
Acquired in 2001 and 2010, these natural-color images show substantial retreat in the Jakobshavn Glacier.
Published Jul 15, 2010
