The climate is changing and nowhere is it changing faster than at Earth's poles. Researchers at Penn State have painted a ...

Beginning Friday, Dec. 12, and lasting through Sunday morning, expect "hazardous wind chills to overspread the region," the ...

Efforts to lower the levels of CO2 in the atmosphere may come too late to prevent long-term changes to the Arctic ...

“There is a massive area of air in northwestern Canada where temperatures are 20 to 30 degrees below zero Fahrenheit, and it is on its way southeastward into the U.S.,” AccuWeather chief on-air ...

The United States is using its economic power to “assert its will" and threaten military force against friend and foe alike, ...

Snow and wind are battering a broad stretch of the United States across 14 states as an early-season Arctic outbreak pushes ...

Researchers say the findings, the first documented case of rising temperatures driving genetic change in a mammal, offer a "glimmer of hope" for the Arctic species, which is facing possible extinction ...

Mixed weather hits Baltimore, with central Virginia seeing snow and potential for cold air and strong winds across the region ...

Blood samples from warm vs. cold Greenland bears reveal genetic patterns that could predict how polar bears respond to ...

Winter weather continues to impact the region. Another round of light snow is on the way Friday, with dangerous cold expected ...

Chief meteorologist Jay Cardosi talks about several inches of snow likely overnight followed by another snow chance later ...

Whatever you think of the substance, the new National Security Strategy is different than all that has come before it. The Europe section is quite the ...