Satellite images taken more than three decades apart show the disappearance of Iceland's Okjökull, the first glacier to be officially declared dead as a result of human-caused climate change.

This 2012 satellite image captured an unusual snow-topped structure ... During the summer, when this photo was taken, Arctic sea ice begins to melt and break apart into thousands of smaller ...

This year's Arctic sea ice peak is the lowest in the 47-year satellite record ... reaching its seasonal high point in March. But in recent years, less new ice has formed, and the accumulation ...

This year's Arctic sea ice peak is the lowest in the 47-year satellite record, according to data released by the U.S. National Snow and Ice Data Center (NSIDC), as the planet continues to swelter ...

This year's Arctic sea ice peak is the lowest in the 47-year satellite record, according to data released ... reaching its seasonal high point in March. But in recent years, less new ice has formed, ...