Learn fascinating arctic fox facts and about their amazing adaptations that help them survive in one of the coldest places on the planet.

Rapid climate change is upending established plant diversity and growth patterns in the Arctic, with species blooming in some areas and declining in others, suggests a study published today in the ...

Arctic temperatures spiked 36 degrees Fahrenheit, or 20 Celsius, above normal. By the end of the month, sea ice was at its lowest level ever recorded for February.

The muskox is a living relic of the Ice Age, built to endure the harshest conditions of the Arctic tundra. With their thick coats, powerful frames, and dramatic head-to-head battles, these ancient ...

The Arctic region has shifted from storing carbon dioxide to releasing it into the atmosphere, according to the 2024 Arctic Report Card released by the U.S. National Oceanic and Atmospheric ...

The study found that about one-third of the Arctic-Boreal Zone, which includes the treeless tundra and boreal forests, is now a source of carbon dioxide emissions to the atmosphere.

An ambush from above Arctic foxes spend hours each day roaming across the tundra during winter looking for food. This includes listening for lemmings under the snow.

The growth of woody plants in Arctic tundra regions affects more than caribou. In northwestern Alaska, where the growth has been most dramatic, it has attracted a proliferation of beavers, for ...

In a year full of troubling signs that Earth’s climate is rapidly changing, some of the most alarming signals came from the Arctic. The thawing tundra has become a source of greenhouse gas ...

These changes have pushed the tundra ecosystem over an edge. Susan Natali and colleagues found that the Arctic tundra region is now a source – not a sink, or storage location – for carbon dioxide.

Flooding, thawing tundra, ice loss, and wildfires abound — and it’s all happening in the Arctic.

The Arctic is rapidly changing from the climate crisis, with no "new normal," scientists warn. Wildfires and permafrost thaw are making the tundra emit more carbon than it absorbs.