Rapid changes in climate in the polar regions are causing observable ecological impacts of various types and degrees of severity at all ecosystem levels. Even larger changes and more significant ...

A firsthand Arctic expedition inspires students to connect with wildlife, climate impacts, and real-world conservation ...

The extreme light environment of the Earth's polar regions fosters unique conditions that could play a crucial role in maintaining global biodiversity over time, a new study by Finnish researchers ...

ON HUDSON BAY (AP) — Searching for polar bears where the Churchill River dumps into Canada's massive Hudson Bay, biologist Geoff York scans a region that's on a low fat, low ice diet because of ...

Add Yahoo as a preferred source to see more of our stories on Google. A polar bear (Ursus maritimus) walks on pack ice in Svalbard, Norway. Andy Rouse, Nature Picture Library Polar bears are often the ...

Polar bears, the iconic creatures of the Arctic, have a role that extends beyond their status as apex predators. They are vital contributors to the Arctic ecosystem, providing millions of kilograms of ...

The National Oceanic and Atmospheric Administration issued its annual Arctic Report Card on Tuesday, which documents the way rising temperatures, diminished ice, thawing permafrost, melting glaciers ...

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Embedded in the sea ice of the arctic are creatures so small, you can't see them with the naked eye. These microalgae convert energy from sunlight into fuel. The arctic ecosystem depends on them. In ...

This is the metadata section. Skip to content viewer section. River aufeis (ow′ fīse) are widespread features of the arctic cryosphere. They form when river channels become locally restricted by ice, ...