The Yukon Territory glows—but not with city lights. “Everywhere you look is like a painting” here, with auroras that last for ...

Strings of radars stretching across Canada were built to give early warnings of Soviet bombers coming over the Arctic. The ...

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

With tropical rainforests, boreal wilderness, and reforested landscapes, these countries have the largest forest cover ...

In A Nutshell A major study of 42 years of data shows severe winter storms have shifted northwest, away from the traditional ...