Wildlife crews have stopped actively searching for two juvenile gray wolves in Northern California's Sierra Valley.

Wolf-dogs are becoming more popular, but what is a wolf dog, and what are the legal requirements, risks, and ethics of owning ...

Winter transforms the American wilderness into a landscape of stark beauty and profound silence. Snow blankets the ground, ...

A breathtaking encounter between photographers and a pair of Arctic wolves near Eureka, a research base on Ellesmere Island, has captivated millions on TikTok. The footage was shared by 32-year-old ...

Beneath cold, high-pressure oceans, water and gas molecules clump together into crystalline solids called gas hydrates. During a research cruise around the North Pole, scientists encountered the ...

The Arctic last season was the hottest it has been in the past 125 years. The extent of sea ice during its usual maximum in March was the lowest in 47 years of satellite recordkeeping. The North ...

Hundreds of Arctic rivers and streams are turning bright red-orange, not from chemical pollution, but from naturally occurring iron spilling from long-frozen ground as temperatures warm. The "rusting ...

The Arctic has experienced its hottest year since records began, a US science agency announced Tuesday, as climate change triggers cascading impacts from melting glaciers and sea ice to greening ...

A yearly checkup on the region documents a warmer, rainier Arctic and 200 Alaskan rivers “rusting” as melting tundra leaches minerals from the soil into waterways. By Eric Niiler Reporting from the ...

The Arctic is a dramatically different place than it was 20 years ago, when scientists first began giving it an annual checkup—and its current state is dire. The first Arctic Report Card was released ...

Over the course of 20 years and 11 trips, writer Neil Shea explored the awe-inspiring landscape of the Arctic, its icy whiteness and sparkling blues. He encountered narwhals poking their tusks above ...