When Debbie Clarke Moderow was running the Iditarod — the 1,100-mile sled dog race through Alaska’s frozen interior — she had a moment. Her hands were chapped, her feet were cold and her dogs were ...

Penn Engineers have developed a mathematical "Rosetta Stone" that translates atomic and molecular movements into predictions of larger-scale effects ...

The shrinking sea ice in the Arctic Ocean is, overall, a disaster. But paradoxically, the melting of the ice can also fuel the engine of the Arctic food chains: algae. Algae are the main food source ...

Join us on an intriguing journey as we explore the fascinating process of snow melting. In this video, we dive into the factors that determine how long it takes for snow to melt, including temperature ...

The uniquely vulnerable West Antarctic Ice Sheet holds enough water to raise global sea levels by 5 meters. But when that will happen — and how fast — is anything but settled.

These permanently frozen soils, known as permafrost, cover nearly a quarter of the Northern Hemisphere's land surface.They've preserved everything from mammoth bones to ancient microbes in nature's ...

Global warming is awakening sleeping giants of ice at the South Pole as glaciers start to flow faster and surface melting increases.