Our writer spent 30 hours traveling with arctic wolves and gained a new appreciation for these predators of the tundra ... September 2019 issue of National Geographic magazine.

Painted lady butterflies are world travelers. The ones we encounter in Europe fly from Africa to Sweden, ultimately returning to areas north and south of the Sahara. But what determines whether some ...

Denali National Park and Preserve checks all of the Alaska boxes: unspoiled wilderness, roaming wildlife, massive glaciers ...

Painted lady butterflies are world travelers. The ones we encounter in Europe fly from Africa to Sweden, ultimately returning to areas north and south of the Sahara. But what determines whether some ...

Painted lady butterflies are world travelers. The ones we encounter in Europe fly from Africa to Sweden, ultimately returning to areas north and south ...

This story appears in the October 2017 issue of National Geographic magazine ... Swells of Siberian tundra roll north toward the Arctic Ocean; a reindeer herd grazes on a distant crest.

Painted lady butterflies are world travelers. The ones we encounter in Europe fly from Africa to Sweden, ultimately returning to areas north and south of the Sahara.

A new study suggests regions of the Arctic tundra are now releasing more planet-warming gases than they absorb, upending a millennia-old trend. The study published in academic journal Nature ...

Even though his recent years’ work in Arctic Alaska has been focused on plants, he said encountering willows and other woody plants covering what used to be open tundra west of the Dalton ...

Researchers in a new study published in Nature Climate Change, have measured the flow of carbon in the Arctic-boreal zone (ABZ) — consisting of the treeless tundra, boreal forests, and wetlands in ...