climate science

Alaska Glaciers Then and Now: 23 Historic Photo Pairs, Glacier Bay to Kenai

In 1895 a photographer on the shore of Muir Inlet looked out at a wall of ice rising from the sea. When USGS geologist Bruce Molnia returne...

2014-06-13T05:17:00-07:00

In July 2013 a webcam on the Arctic sea ice sent back pictures of a wide sheet of meltwater spreading around a research buoy, and headlines...

2013-12-10T04:06:00-08:00

For more than three decades, the sea ice around Antarctica did something that puzzled scientists: while Arctic ice shrank dramatically, Ant...

2013-08-22T05:36:00-07:00