The Arctic tundra now releases more carbon than it naturally ... This shift is partly due to giant polar wildfires burning down tundra vegetation and all the carbon it's stored.

When polar regions melt, the vaults are thrown open – “ancient water, carbon, and microbial life return to the surface to shape and change the world.” ...

The world is adept at balancing the warming gases in its atmosphere, but anthropogenic climate change is challenging this balance. A new study reports that 34 percent of the Arctic-boreal zone (ABZ) ...

Continue reading to discover the animals that call the polar regions home. Lepus arcticus, commonly the arctic hare, is native to the most northern regions of North America. They are found principally ...

University of Chicago paleontologist and author Neil Shubin has been on multiple expeditions to the Arctic and Antarctica. Those trips have produced groundbreaking discoveries about the evolution of ...

The frigid stream of air that plunged down into the Central U.S. this week is breaking cold records from South Dakota to Texas, with temperatures in the single digits setting records in many locations ...

We also have some ice on the Great Lakes which makes it easier for Arctic air to invade. RELATED: Winter Storm Update: 4 things changed overnight Here’s the forecast of the Polar Vortex lobe.