Microbes across Earth's coldest regions are becoming more active as glaciers, permafrost and sea ice thaw, accelerating ...

These polar bears appear to be maintaining their physical health despite the loss of sea ice—their preferred hunting grounds ...

Polar bears need fat to survive the harsh Arctic cold; that’s why they eat blubbery seals. Seals, meanwhile, need ice to rest ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

Learn how a decade of monitoring reveals why Antarctic penguins are breeding earlier than ever, and what those shifts may ...

A new study shows Antarctic penguins are breeding earlier. This may signal broader ecosystem changes driven by climate change ...

Scientists are sounding the alarm about sudden and dramatic changes unfolding across Antarctica. The icy continent, once thought to respond only slowly to climate shifts, is showing signs of rapid ...

A team of scientists has overcome a major challenge in predicting how Antarctic life will fare under future climate scenarios ...

Antarctica could see a doubling of extreme weather events—such as atmospheric rivers—by 2100, with implications for future sea level rise. A study published in Nature Communications reveals that ...

The possibility of snow in Tampa, Fla. Record heat and fires in Australia. Scientists say climate change is exacerbating ...

A population of bears in Norway’s Arctic is confounding scientists’ expectations, getting fatter and healthier even as the sea ice melts rapidly.