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

Antarctica’s ice, ocean, and ecosystems are approaching tipping points that could trigger irreversible global impacts.

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

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

Pine Island Glacier, one of the fastest-shrinking glaciers in Antarctica, hastened its slide into the sea between 2017 and ...

Scientists recorded a total-column ozone concentration of 102 Dobson units, the 8th-lowest level since 1986. Colder-than-average temperatures and strong winds in the stratosphere circling Antarctica ...

Scientists used radar to find hidden layers under Antarctica’s ice, revealing ancient sediments, buried landscapes, and warm ...

Blooms occur in Lake Erie’s western basin, Lake Michigan’s Green Bay and Lake Huron’s Saginaw Bay. North America’s Great Lakes are the largest source of fresh surface water in the world. They are ...

The U.S. Coast Guard is responding to a diesel spill from a grounded fishing vessel in Izhut Bay near Kodiak.The fishing vessel Sea Ern ran aground Monday with three crewmembers aboard.Approximately 3 ...