CHICAGO – Chicago police officers held a different type of polar plunge Saturday, perfect for the mild weather. Over and over ...

The extent of sea ice blanketing the Arctic this winter fell to the lowest level on record, researchers announced this week, ...

A high-powered US delegation arrived in Greenland as Trump talks about acquiring the island. 'Do you think we can do without ...

In "Ends of the Earth," Neil Shubin travels north and south to explore the frontiers of polar science and history.