A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by treacherous conditions.

The cold snap will continue for most into Wednesday.

The upcoming U.S.–India NISAR (NASA-ISRO Synthetic Aperture Radar) mission will observe Earth like no mission before, ...

The BriefA cold front will bring cooler temps to Arizona this week.We'll see a slight chance for rain on Jan. 7 in the Valley ...

The Greenland Ice Sheet is a crucial bellwether for monitoring climate change. It holds around 8% of the planet's freshwater ...

A cold front will bring cooler temps to Arizona this week. We'll see a high near 71°F in the Valley on Jan. 6. Highs will ...

A live TV news station covering breaking news, investigative reporting, and traffic for Colorado Springs, Pueblo, and Southern Colorado.

The National Weather Service says we might finally see some winter weather in Arizona!

The cold air continues to filter into East Texas through the middle of the week. So we are expecting below average temperatures. It will be cold enough to support either a cold rain, with the ...

A major winter storm and a polar vortex are set to bring cold temperatures, snow, sleet, and ice to large swaths of the U.S.

Check back for live FLORIDA TODAY Space Team launch updates on this page, starting about 90 minutes before today’s Thuraya-4 launch window opens.

A weakening of the polar vortex could lead to a prolonged period of intense cold for parts of the United States during the first half of January. Several waves of arctic air could keep temperatures ...