In subzero winds, hypothermia announces itself in small, easy-to-miss ways. Here’s what one Nat Geo Explorer does to combat it in some of the coldest places on Earth.

In order to understand the massive changes afoot in the warming polar regions, oceanographer Allison Fong is hunting for the ...

Greenland’s remote eastern fjords are a place of elemental beauty, where glaciers carve through the land, musk oxen roam ancient valleys and human resilience is tested against the raw power of nature.