The Arctic Circle — and the sovereignty of its biggest island, Greenland — is back in the international geopolitical ...

At some point, melting ice in the North Atlantic—caused by increased global warming—will cause so much freshwater to be ...

Ever wondered how much of our vast, mysterious oceans we’ve uncovered? Spoiler alert: not nearly as much as you’d think!

Reuters.com is your online source for the latest news stories and current events, ensuring our readers up to date with any ...

Public school pupils are seen inside their classrooms next to the large icebergs in the city of Ilulissat, Greenland, Feb. 19 ...

A total lunar eclipse on March 13-14, 2025, will be visible across Earth's night side. See detailed maps of where and when to ...