For decades, scientists believed the Arctic Ocean was sealed under a massive slab of ice during the coldest ice ages — but ...

The Arctic could be free of sea ice roughly a decade earlier than projected, scientists warn – another clear sign the climate crisis is happening faster than expected as the world continues to ...

Evidence of algae growth and climate simulations reveal the Arctic had seasonal ice, not a permanent ice shelf, for much of ...

Specifically, the study projects that the Arctic Ocean could become ice-free for the first time on a late August or early September day in the 2020s to the 2030s under all future emissions scenarios.

Arctic melting foreshadows America's climate future 45:20. The Arctic could be "ice-free" in just a few years, scientists have found. Here's what that means.

Emergency physician Dr. Luke Apisa describes joining an Arctic expedition to ensure safety for runners pushing their limits ...

The Arctic is the early warning system for climate change and the loss of sea ice is a clear sign it’s in trouble, scientists say. It should be reaching its annual maximum levels of ice at this ...

Adrift in the Arctic Nowhere on Earth is warming as fast. Scientists will spend a year trapped in sea ice to understand what that means for the world.

Melting sea ice in the Arctic is opening up lanes in the ocean for the global trade route -- lanes that were previously blocked. In the near future, the melting will have a big impacts on major ...

The polynya, or gap in the ice, is a bad sign. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A huge hole opened in the Arctic's oldest ...

The NSIDC said the measurement of sea ice taken Saturday, March 22, 2025, was 5.53 million square miles — around 30,000 square miles smaller than the lowest previous peak, set in 2017.

The Arctic is likely to become “ice-free” by midcentury—and could pass that grim milestone much sooner—unless much more is done to combat climate change. Skip to main content.