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.
These true-color images show wide-area and close-up views of glaciers flowing into a largely dry, linear valley in western Greenland on August 29, 2009.
Ferrar Glacier begins at Taylor Dome and flows toward the Ross Sea. North of it, an unusual feature known as “Blood Falls” stains ice bright red in one of Antarctica’s rare dry valleys.
Colorful bands of debris coat the surface of Zmutt Glacier and Gorner Glacier in the Swiss Alps. NASA scientist Kimberly Casey has developed new methods to map their composition with satellites.