The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures ...

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the Northern Plains and unusual snow and ice in the Gulf ...

After a brutal war in Gaza, a six-week ceasefire between Israel and Hamas is expected to take place on Sunday.

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

The polar vortex brings some of the most frigid winter air to the U.S., and the recent storm offered a reminder of its power.

The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption ...

Temperatures are again set plummet across parts of the U.S. from this weekend after a strong cold front sweeps across the ...