Earth’s oceans absorbed another record volume of heat in 2025, reinforcing a pattern that climate scientists say is ...

Arctic sea ice has large effects on the global climate. By cooling the planet, Arctic ice impacts ocean circulation, ...

Beneath the icy waters between Greenland and Iceland flows Earth’s largest waterfall, three times taller than Angel Falls — yet completely invisible from the surface. How can something so vast remain ...

Arctic communities have long been noticing changes in the sea ice across Alaska, with ice setting up later most years and proving less dependable throughout the winter many years. The impacts have ...

With the Arctic sea ice maintaining its trend of declining, average extent since the 1980s, there is another side to the story with a unique, slightly more positive statistic. The Arctic sea ice ...

The Arctic Ocean has always been a region that’s fascinated University of Delaware doctoral student Tianyu Zhou. While most of humanity lives in the world’s temperate zone, the polar ocean seems like ...

Autonomous underwater robots give marine scientists the opportunity to study what happens during an algae bloom in both time and space. Kongsfjorden, Svalbard, May 2022: It's spring, the sun is ...

The southern Indian Ocean off the west coast of Australia is becoming less salty at an astonishing rate, largely due to ...