New research challenges the long-held belief that the Arctic Ocean was covered by a massive ice shelf during ice ages.

New research reveals Antarctic sea ice has hit record lows three times since 2017, creating cascading effects on global ...

We present a methodology to derive sea ice type classification maps in the Atlantic sector of the Arctic Ocean for the autumn through spring seasons, from 1991 to present. We use datasets from four ...

Fighting it out over the Arctic, with the vast resources of the Arctic, is going to be the new great game of the twenty-first ...

The Canadian Coast Guard’s only Arctic research icebreaker, the Amundsen left Quebec City yesterday for a 114 day scientific expedition through the Labrador Sea, Baffin Bay, the Davis Strait and ...

Interactive 3D map shows Hawick Fire boundaries, evacuations by: Danielle Dawson Posted: Jun 19, 2025 / 04:24 PM PDT Updated: Jun 22, 2025 / 08:13 AM PDT ...

Shipping lines go cool on Arctic Ocean route Define the Northern Sea Route State one physical reason why the Northern Sea Route has become more navigable ...

Ocean acidity levels became intolerable and led to more than half of all marine life dying out. 66 million years later, it’s happening again. This time, there is no asteroid—just us humans.

More information: Jens Søndergaard et al, Stable isotopes unveil ocean transport of legacy mercury into Arctic food webs, Nature Communications (2025). DOI: 10.1038/s41467-025-60356-6 ...

A new assessment finds that the world’s oceans crossed the safe threshold for acidification in 2020, breaching a key planetary boundary and posing serious threats to marine life. Ocean ...