This story was produced in partnership with the Pulitzer Center’s Ocean Reporting Network. A haze of ice crystals in the air created a halo around the low sun as three snowmobiles thundered onto the ...

The Arctic is changing rapidly, and scientists have uncovered a powerful mix of natural and human-driven processes fueling ...

U.S. Army Arctic Regions Test Center (ARTC) is the Department of Defense’s lone extreme cold test facility. Tasked with testing virtually everything in the ground combat arsenal in a natural ...

From left to right: Sean Cheng, Anuscheh Nawaz, Aircraft Commander Sarah Cozart and Jiaxu Zhang. A specialized plane, camera and a crew of four are in Alaska to understand the ecosystems of the Bering ...

We are looking towards next week at the possibility of Arctic air moving southward and the possibility of freezing temperatures in the Coastal Bend. One of the potential factors that could play a key ...

A potential wobble in the polar vortex could bring a return of arctic air to Ohio and the northern U.S. around Thanksgiving. Forecasts show below-average temperatures for about half the country ...

A potential wobble in the polar vortex could bring frigid Arctic air to the northern U.S. around Thanksgiving. Forecasts show below-average temperatures for about half the country, while the Southeast ...

A weakened polar vortex is pushing frigid Arctic air into the central and eastern United States. Michigan will experience its coldest temperatures over the weekend, with some areas dipping below zero.