These icy, spectacular destinations become more magical in winter, offering a great excuse if you want to escape hot weather.

Nearly 600 years ago, a massive volcanic eruption sent clouds of sulfurous gas and ash high into the atmosphere. The blast ...

Microbes near the surface of the Southern Ocean sustain the polar food chain — impacting the nutrient flow from the surface ...

For decades, researchers seeking to understand global climate change have analyzed ice cores drilled deep within the ...

Gates of the Arctic might be North America's most remote national park, but it's home to some extraordinary animals.

Scientists recorded a total-column ozone concentration of 102 Dobson units, the 8th-lowest level since 1986.

In Antarctica, a glacier the size of Florida is breaking apart faster than anyone expected. If it collapses, it could raise ...