The condition of the polar vortex influences everyday weather around the globe. Scientist issue warning about concerning ...

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

Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

The head of the Environmental Protection Agency on Thursday appeared to nod to conspiracy theories that have swirled around ...