A caribou is seen on June 12, 2013, in Gates of the Arctic National Park and Preserve. (Photo by Zak Richter/National Park ...

An arctic blast is sweeping across the eastern U.S., bringing heavy snow, freezing temperatures, and hazardous conditions.

CNN’s 5 Things newsletter is your one-stop shop for the latest headlines and fascinating stories to start and end your busy ...

NOAA scientists have documented profound change in the frozen north as U.S. government science itself faces an uncertain ...

Rising temperatures, increasing precipitation, thawing permafrost and melting ice are pushing the Arctic outside its ...

The debate over deep-sea mining exposes a contradiction between the country’s proud culture of environmental stewardship and ...

Millions of Americans should prepare for an Arctic blast that will blanket much of the country in below-freezing temperatures ...

Fires, intensified by climate change, release carbon trapped in soil and plants. More frequent infernos have now transformed ...

Deep in the Canadian Arctic, scientists and entrepreneurs brave sub-zero temperatures, whipping winds and snowstorms to drill holes through the sea ice to pump out the seawater below and freeze it on ...

Arctic foxes were almost hunted to extinction in Sweden, Norway and Finland. Can projects to breed and feed them help this ...

Would you like to have some fun while contributing to science? Join us for Arctic Audubon Society’s Christmas Bird Count on ...

Thursday's weather will feature an Arctic blast for the Midwest and Northeast and still more lake-effect snow for the Great ...