Firefighters in Utah captured the moment a wildfire turned into a fire vortex. This happened when extreme wind and hot air ...

Two newly identified patterns in the stratospheric polar vortex can send cold air over North America to cause extreme cold ...

A fire engine was damaged when a massive "fire vortex" formed within a fire burning in southeast Utah over the weekend.

The massive blaze has already scorched 8,925 acres and remains completely uncontained, with firefighters struggling to gain ...

A 10,058-acre Utah fire has crossed over the border into Colorado as the Southwest continues to experience wildfires, ...

A large vortex or "firenado" formed over the Deer Creek Fire in San Juan County, Utah over the weekend, officials said.

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

A vortex formed over the Deer Creek Fire on Saturday in San Juan County, causing damages to a fire engine and structures in the area.

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

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

A firefighter has captured the moment a wildfire spun into a fire vortex on Saturday, 12 July near Old La Sal, Utah. No one was injured in the "uncommon" phenomenon, according to the state's Bureau of ...