Oklahoma City and Tulsa both landed at the top of a list ranking populous cities with the most unpredictable weather in the ...

Expect more activity in the Arctic ocean in spring 2026, when the ice melts. But how quickly the region opens up depends on ...

A freezing Arctic blast making its way across the U.S. Here's what you can expect up through the weekend—including potential ...

Lynda Mapes, the former Seattle Times environment reporter, made a trip recently to the Western Arctic, a vast region in the ...

Here's how much snow Ohio could see as a blast of arctic air sweeps across the eastern U.S., bringing frigid, winter-like ...

The Arctic is heating up, both because of climate change and tricky global politics. That's partly why the U.S. appointed its first ambassador-at-large to oversee Arctic affairs. Mike Sfraga was sworn ...

The post-New Year's Day arctic blast that dropped temperatures across the Philadelphia-South Jersey region shows no sign of letting up, as the dangerously-cold weather is expected to last at least for ...

The coldest air arrives on strong northwest winds. Fayetteville will likely not get out of the 40s, dropping to about 30 ...

Extraterrestrial particles found at the bottom of the Arctic Ocean could unlock at least 30,000 years of sea ice history, a ...

Green summer tundra and the rolling Mulgrave Hills in northwestern Alaska's Cape Krusenstern National Monument are seen on July 11, 2011. The Mulgrave Hills are the farthest west extension of the ...

A disruption in the polar vortex centered over the North Pole will allow for areas of bitterly cold air to escape the Arctic region and move into the U.S. Under stable conditions, arctic air usually ...

Canada's Foreign Affairs Minister is welcoming her international counterparts to the Niagara region as she hosts the Group of Seven foreign ministers meeting.