As the Arctic climate warms, its permafrost landscapes are rapidly melting, causing significant changes to the terrain.

We are in the thick of it now with some areas experiencing the coldest air temperatures since the polar vortex of the 2019 ...

Donald Trump argues that the US needs Greenland for national security, while a retaking of the Panama Canal is necessary to ...

Donald Trump argues that the US needs Greenland for national security, while a retaking of the Panama Canal is necessary to ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Several businesses and organizations have announced closings and cancellations ahead of the extremely cold temperatures.

The Denver Post found that most Front Range sheriffs’ offices, including in the state’s liberal strongholds, notify ICE in at ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

Donald Trump's talk of grabbing Greenland has been the fodder of late-night comics. The jokes obscure the military ...

Tom Brady won a Super Bowl at 43. Lewis Hamilton is preparing to race for Ferrari in Formula 1 at 40. Serena Williams reached ...

According to the European model, there's a chance that the air temperature at MSP could hit -20°F for the first time since ...

A potent cold front will open the door to frigid Arctic air, with some of the coldest conditions in years set to spread ...