Scientists mapped the motion of Antarctica’s ice sheets and revealed unexpected patterns.
Published Aug 19, 2011
Acquired October 7, 2011, this natural-color image shows an ice menagerie off the coast of East Antarctica.
Published Oct 23, 2011
To the untrained eye, Antarctica may look like a giant piece of solid ice that rarely changes, but scientists studying the continent have long known better. The icy surface is dynamic, with glaciers and "streams" of ice flowing toward the ocean.
Published Apr 27, 2007
Researchers working in Antarctica have found evidence of large-scale ice making at the bottom of that continent's massive ice sheets.
Published Apr 21, 2011
A slab of ice larger than the continental United States smothers much of East Antarctica. Draining from the East Antarctic Ice Sheet is a river of ice nearly 800 kilometers long. This stream, the Recovery Ice Stream, slides roughly 35 billion tons of ice into the ocean each year.
Published Apr 26, 2007
This approximately true-color image shows ice fragments left over from previous breakups of the Wilkins Ice Shelf.
Published Apr 19, 2009
Throughout Antarctica, broad ribbons of ice known as ice streams shed large quantities of ice into the ocean.
Published Apr 24, 2007
When this closely watched slab of floating ice births a giant iceberg, it will not be the first time it has seen dramatic change.
Published Feb 7, 2017Image of the Day Heat Land Water Snow and Ice Sea and Lake Ice
NASA aircraft return to the Arctic to assess the health of the region’s ice.
Published May 3, 2012
Thick ice that used to last through multiple summers has been in steep decline for three decades.
Published Mar 1, 2012
In January 2015, a new iceberg broke off from an ice shelf in East Antarctica that had otherwise been quiet for decades.
Published Feb 7, 2015
New elevation measurements will give researchers an unprecedented understanding of the thickness of sea ice, which will be used to help improve climate modeling and forecasts.
Published Dec 18, 2018
A sharp-edged rectangular iceberg floats near the Larsen C ice shelf.
Published Oct 23, 2018
In 1984, there were 1.86 million square kilometers of old ice spread across the Arctic at its yearly minimum extent. In September 2016, there were only 110,000 square kilometers of old ice left.
Published Nov 4, 2016
Rifts form a triple junction along the edge of a giant loose tooth in East Antarctica.
Published Feb 12, 2012
