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 ...

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 ...

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 ...

"Will impact not only international shipping but also resupply and the cost of food in many Arctic communities." NASA ...

Refreezing the melting sea ice in the Arctic is more complicated than you would think. The U.K. is funding geoengineering experiments like this one to curb the effects of climate change.

The Arctic is changing – and not just in the ways you might think. Once covered in thick, bright sea ice, the region is now seeing more open water. It’s not just changing the climate or ...