It was a week of fire and ice. Climate change is messing with the jet stream, the air currents that circle the globe.

The 2017 Thomas Fire, one of the largest fires in state history, was sparked by Southern California Edison power lines that ...

This cold wave, fueled by large-scale pressure changes and a disruption of the polar vortex, is expected to bring the coldest air of the season. The southeastern United States could experience ...

ANNAPOLIS, Md. (AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies ...

Freezing weather is expected to hit the eastern US in the coming days as the polar vortex moves. Temperatures are expected to remain below average for the south-east and East Coast through the ...

Temperatures could be 12 to 25 degrees Fahrenheit (7 to 14 degrees Celsius) colder than normal as the polar vortex stretches down from the high Arctic. “This could lead to the coldest January ...