For decades, scientists believed the Arctic Ocean was sealed under a massive slab of ice during the coldest ice ages — but new research proves otherwise. Sediment samples from the seafloor, paired ...

David Callaway and Douglas McIntyre, Editors-in-Chief at Climate Crisis 24/7, discuss the unintended “silver lining” of ...

A salty surge in the Southern Ocean is melting Antarctic sea ice from below — and causing dramatic changes scientists didn’t ...

You probably know polar bears as the big white animals roaming the Arctic, but there’s a lot about them that doesn’t make it ...

Seasonal sea ice forms and melts every year creating openings in the ice with open water where life can continue to thrive.

For years, scientists have debated whether a giant thick ice shelf once covered the entire Arctic Ocean during the coldest ...

The snow and ice accumulated last winter by Switzerland's glaciers has already melted away, a monitoring service said, with ...

Researchers examined sightings of killer whales in the area from 2002 to 2023. Scientists make worrying discovery after ...

Many research groups are now focusing on ocean temperature changes and Arctic sea ice melt due to their broad global impacts.

The dramatic loss of sea ice around Antarctica has occurred with the re-emergence of the Maud Rise polynya in the Weddell Sea ...

In Alaska, we must also be vigilant to another brewing geopolitical hotspot, the melting Arctic. Arctic competition is exacerbated by climate change. When most Americans think about climate change, ...

An unprecedented Arctic heat wave caused record high temperatures in Greenland and Iceland, raising major concerns among ...