200 miles north of Alaska, a U.S. Navy nuclear submarine moves beneath a frozen ocean where normal GPS and radio signals ...

The Arctic’s frozen ground holds an enormous reservoir of organic carbon. As permafrost thaws and coastlines erode, some of that carbon is carried into the ocean, where microorganisms can break it ...

An international team of scientists, part of a multi-year International Shelf Study Expedition – has released preliminary findings that indicate frozen methane deposits have begun leaking methane over ...

Add Yahoo as a preferred source to see more of our stories on Google. The author’s view walking across Arctic sea ice off Utqiagvik, Alaska, in April 2025. (Photo by Alexandra Jahn/The Conversation) ...

For years, scientists have debated whether a giant thick ice shelf once covered the entire Arctic Ocean during the coldest ice ages. Now, a new study published in Science Advances challenges this idea ...

As I walked out onto the frozen Arctic water off Utqiagvik, Alaska, for the first time, I was mesmerized by the icescape. Piles of blue and white sea-ice rubble several feet high gave way to flat ...