Watching the birth of an iceberg

(PhysOrg.com) -- After discovering an emerging crack that cuts across the floating ice shelf of Pine Island Glacier in Antarctica, NASA's Operation IceBridge has flown a follow-up mission and made the first-ever detailed ...

'Tiger stripes' underneath Antarctic glaciers slow the flow

(Phys.org) —Narrow stripes of dirt and rock beneath massive Antarctic glaciers create friction zones that slow the flow of ice toward the sea, researchers at Princeton University and the British Antarctic Survey have found. ...

Operation IceBridge turns five

In May 2014, two new studies concluded that a section of the land-based West Antarctic ice sheet had reached a point of inevitable collapse. Meanwhile, fresh observations from September 2014 showed sea ice around Antarctica ...

Image: Crack discovered in Pine Island Glacier

(PhysOrg.com) -- In mid-October 2011, NASA scientists working in Antarctica discovered a massive crack across the Pine Island Glacier, a major ice stream that drains the West Antarctic Ice Sheet. Extending for 19 miles (30 ...

Ice in motion: Satellites view decades of change

New time-lapse videos of Earth's glaciers and ice sheets as seen from space—some spanning nearly 50 years—are providing scientists with new insights into how the planet's frozen regions are changing.

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