An arctic air mass is ushering in some of the coldest temperatures of the season to much of the country this coming week. Highs are likely to be up to 30 degrees below average in some spots from the ...

Storm Demi will combine arctic air and moisture to bring snow to cities like New York, Boston, Washington, D.C. and Philadelphia. Behind it are frigid temperatures that will help any snow stick around ...

In an era of town-torching megablazes spewing smoke plumes visible from space, scientists say there is still a lot they don't know about the effects of extreme fire on people, nature and the climate.

Trump has promised on Day One to repeal Biden's executive order on artificial intelligence, which requires developers of the ...

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The size of the Antarctic ice sheet can be hard to comprehend. Two kilometers thick on average and covering nearly twice the ...

"Your head will spin when you see what's going to happen," Trump said. Here's a closer look at what he promised to do on Day ...

Chief Kate Day. By KATE DAY View in your browser Dear readers, Sometimes it matters who has a seat at the table. Sometimes ...