6 days ago · Arctic, northernmost region of Earth, centered on the North Pole and characterized by distinctively polar conditions of climate, plant and animal life, and other physical features.

Arctic seas contain seasonal sea ice in many places. The Arctic region is a unique area among Earth's ecosystems. The cultures in the region and the Arctic indigenous peoples have adapted to its cold …

Oct 28, 2025 · Most scientists define the Arctic as the area within the Arctic Circle, a line of latitude about 66.5° north of the Equator. Within this circle are the Arctic ocean basin and the northern parts …

4 days ago · The Arctic has changed dramatically in the past 20 years, a new report shows, as temperatures skyrocket and ice rapidly melts

1 day ago · From record warming to rusting rivers, 2025 Arctic Report Card shows a region transforming faster than expected Myriad factors are combining to create a dire situation in the Arctic.

4 days ago · The oldest, thickest ice in the Arctic — the kind that stays frozen for four years or more — has declined by more than 95% since the 1980s.

Arctic Circle The Arctic Circle, at roughly 66.5° north, is a commonly-accepted boundary of the Arctic waters and lands The Arctic Circle is one of the two polar circles, and the northernmost of the five …

4 days ago · This year's Arctic Report Card from the National Oceanic and Atmospheric Administration finds that the northernmost part of the Earth is warming faster than the global average, leading to …

Situated at the northernmost part of our planet, the Arctic is a meeting point of the European, north America and Asian continents. At its heart is ocean spanning 15.6 million square km (6 million …

The Arctic is a frozen ocean surrounded by land that has been covered in ice year-round for the last 5,500 years.