Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S.—and this study explains why. Researchers found that two specific ...

An international research group has found that extreme cold snaps in the United States are driven by disruptions in a high-altitude Arctic air mass called the polar vortex, Hebrew University of ...

Arctic amplification is the intense warming in the Arctic. Greenhouse gases raise air temperatures, melting sea ice and thawing permafrost and initiating a feedback loop accelerating climate change.

The United States government has officially approved the possible sale of up to nine HH-60W Combat Rescue Helicopters to ...

Pierre Firefighters provide regular updates, but the terms they use aren't always well-known. At the height of wildfire ...

Recently, scorching heat waves have swept across numerous regions worldwide. Even Mohe, China's northernmost city in ...