A heat wave hit much of the central U.S. over the weekend, while snow and cool temperatures arrived in the Northwest.

Virginia, Montana and Vermont ranked as the top three states in the study, which measured 13 key metrics, including voter ...

Large parts of the United States faced a radio blackout on Thursday following a strong solar flare from the sun. The "extreme ...

Sweltering heat happens every summer, but to get close to the bar of a state's all-time hottest temperature usually takes a heat wave that's on another level.

The northern lights, also known as the aurora borealis, may be visible in as many as 15 northern states Wednesday night, June 25, according to NOAA's Space Weather Prediction Center (SWPC). Most of ...

For those in the northern states, the aurora borealis, or northern lights, are likely to appear this week, according to the ...

More than 125 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

New York City also felt the heat, tying its longstanding daily record of 96 degrees for the date, set in 1888 in Central Park ...

More than 125 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

The Trump Organization jumped into the smartphone business on June 16, announcing a $499 gold-hued phone and a mobile phone ...

Maps show where extreme humidity and 90- or 100-degree temperatures will affect about 255 million people across the United ...

Heat dome will cause dangerously high temperatures in many places across the country this weekend, especially the Midwest and ...