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"These levels of heat mean health impacts become more likely in general," the National Weather Service warned.

Boston and New England are now into one of the most intense stretches of extreme, triple-digit heat on record. A massive heat ...

A heat dome is expanding across much of the United States this week. The heat wave will impact much of the central and eastern regions of the country — and as many as 250 million people — heading into ...

Federal employees axed during waves of cuts by the Trump administration have fought back against the dismantling of a key ...

A hot and dry wave of high pressure is expected to raise temperatures to dangerous levels across the Eastern half of the ...