The Barents Sea near Svalbard is dotted with seafloor craters created about 11,600 years ago by methane hydrate eruptions.
The tale of how and why Russia ceded its control over Alaska to the U.S. 150 years ago is actually two tales and two intertwining histories.
The rapid retreat of the Coronation Glacier in Canada's Arctic region is remaking the landscape.
A stark black disc haloed by streaks of light — a team of scientists captured this image of a total solar eclipse over the Arctic in March.
An image, released by NASA's Earth Observatory, shows pulses of laser light hitting Arctic sea ice — the ice that forms and floats in Arctic waters.
The spectacular 2002 collapse of Antarctica's Larsen B ice shelf was caused by surface melting.
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