A stubborn ridge of high pressure is pushing temperatures into record territory and breaking records along the way.

Cold snaps and heat waves have contributed to tens of thousands of deaths in the United States over the past quarter-century, a new study says. More than 69,000 U.S. deaths occurred between 1999 and ...

An ongoing heat wave has knocked out power to thousands of Con Edison customers in the five boroughs over the past two days. As of 6:30 p.m. Tuesday, 3,521 customers in the city were without power, ...

Phoenix city officials said their work to prevent heat deaths is showing success as the number of fatalities is trailing totals for recent years. Phoenix reported 44,000 visits to its cooling and ...

The idea that Mars could affect Earth’s climate sounds dramatic, since climate change is usually linked to cars, factories, ...

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