Arctic sea ice hit its second straight record-low winter peak in 2026, driven by unusually warm conditions in key regions.

The Arctic Ocean, once locked in a vault of thick, old ice, now is transforming at lightspeed. Temperatures there are increasing at up to four times the rate of the planet overall, melting sea ice ...

I walked out onto the frozen Arctic water off Utqiagvik, Alaska, for the first time, I was mesmerized by the icescape. Piles of blue and white sea-ice rubble several feet high gave way to flat areas ...

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 ...

Led by the European Research Council Synergy Grant project Into the Blue – i2B, the research team studied sediment cores collected from the seafloor of the central Nordic Seas and Yermak Plateau, ...

Something truly extraordinary is unfolding at the top of our planet right now, and most people are barely paying attention. The Arctic, that vast frozen crown of Earth, is melting at a pace that's ...

New study shows that 16 percent of the Arctic Ocean’s organic carbon comes from terrestrial sources, such as thawing permafrost and eroding coastlines. Climate change and the associated rising ...

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