The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.

Millions of Americans from the Midwest to the Northeast are waking up to frigid temperatures with wind chills below zero in some places.

A powerful arctic blast is on track to impact over 200 million Americans, bringing temperatures even colder than the last wave.

Writer Neil Shea gives us a look at the transcendent beauty of life in the Arctic — and how climate change is threatening its survival.

The extinct rhinoceros, described in the journal Nature Ecology & Evolution, is the northernmost rhino known to have ever walked the planet — and it's already reshaping scientists' understanding of when many ancient animals spread across the continents.

Low temperatures will be dropping into the single digits in northwestern areas and teens elsewhere Thursday night into early Friday, making it feel like the middle of winter.

The coldest temperatures of the season so far will persist through Friday morning, with overnight lows dropping into the single digits across much of the state.

The tiny town of Churchill has two of Canada’s largest pieces of Arctic infrastructure, but years of neglect have left them in poor shape amid growing superpower rivalry in the region.

The U.S. Department of Homeland Security (DHS) has raised concerns over a surge in Chinese military and research vessels in Arctic waters during 2025.

India and Russia signed key maritime and transport MoUs to strengthen the INSTC, Chennai-Vladivostok corridor and Northern Sea Route, including training for Indian polar seafarers