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

The mechanism involves atmospheric waves that bounce between the upper atmosphere and ground level, amplifying weather ...

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

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

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