Scientists have found evidence that the Asian continent was free of permafrost all the way to its northerly coast with the ...

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 ...

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, ...

The Arctic is undergoing profound environmental shifts, marked by unprecedented warming and ecosystem changes. A critical ...

In the atmospheric layer above it, about 10 to 30 miles up, is the stratospheric polar vortex, where every winter a sunlight-starved Arctic spins up a mass of cold air that, ultimately, dissipates ...

A new study challenges the idea that climate change is behind the erratic wintertime behavior of the polar jet stream, the ...

The United States must build a fleet of nuclear-powered icebreakers to counter Russia and China’s advantage in the Arctic.

Unless society stops pumping more greenhouse gases in the air, “we can expect multiple factors to worsen summer extremes,” a ...

Climate change has tripled the frequency of atmospheric wave events linked to extreme summer weather in the last 75 years and that may explain why long-range computer forecasts keep ...

The polar vortex is a massive, swirling band of cold air that normally traps frigid temperatures around the Arctic. However, recent scientific studies show this vortex is weakening, which could have ...

The Polar Vortex's collapse will cause a major Arctic blast from central Canada into the Northeast United States, even if a progressive and dynamic weather pattern will persist across North ...