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

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

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

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

By Thursday morning, air temperatures are in the single-digits -- even near zero degrees in far western suburbs -- with wind ...

An overnight coating of snow could make the morning commute messy in the Twin Cities, and after that, an arctic blast arrives ...

A team of scientists, led by a climate expert from the University of Lincoln, U.K., says that continued rapid warming in the ...

Arctic tundra is releasing greenhouse gases into the atmosphere as hotter temperatures melt frozen ground and wildfires ...

Increasingly frequent and severe wildfires have become a yearly concern for many Arctic communities, and a chapter of a new U ...

For millennia, Arctic ecosystems have stored more carbon dioxide than they release, but that has shifted as warming ...

The Biden administration has given approval for the sale of oil and gas leases in Alaska, leaving the door open for drilling ...

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