Pine Island Glacier, one of the fastest-shrinking glaciers in Antarctica, hastened its slide into the sea between 2017 and 2020, when one-fifth of its associated ice shelf broke off as massive ...

A23a has run aground in the Southern Ocean after years adrift. But could it continue on its collision course in the future?

The unexpected discovery of Greenland rocks in Iceland hints that a centuries-long cold snap may have helped finish off the Western Roman Empire.

Scientists found "a beautiful, thriving ecosystem" in a dark and isolated location: The former shadow of a glacier.