A new study has answered the most debated question: Did a colossal, kilometer-thick ice shelf cover the entire Arctic Ocean during the coldest ice ages? Researchers from UiT The Arctic University of ...

High pressure in the deep ocean may squeeze nutrients from sinking “marine snow,” feeding deep-sea microbes and altering how ...

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 areas ...

A polar bear stands on an ice floe near the Norwegian archipelago of Svalbard in June 2008. (AP Photo/Romas Dabrukas, File) (CN) — As record heat baked the Arctic for the third summer in a row, ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

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. Alexandra Jahn As I walked out onto the ...

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 ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Alexandra Jahn, University of Colorado Boulder (THE CONVERSATION) As I walked out onto ...