The Department of Energy suggests setting your AC to between 75 to 78°F, but ultimately, you should decide what’s best for your household: Their easiest-to-follow advice is to set the temperature to ...

An air mass drawing on cool ocean waters will send temperatures plummeting by the end of the week in Philly, which hit a ...

A deadly heat wave grips the Midwest and Northeast with record-breaking temperatures, overwhelming power grids and prompting ...

Boston broke its record daily high by six degrees, reaching 101 degrees on Tuesday. Some construction workers were forced to ...

The high-pressure system that has lingered over the East is forecast to weaken starting midweek, with a cold front also expected to push southward. That should bring some relief, particularly in the ...

As previous disasters have laid bare the US’ vulnerabilities to other types of extreme weather, this week is revealing ...

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

At least eight states were expected to see temperatures that would feel hotter than those in Death Valley—often referred to as the hottest place on Earth—on Wednesday, according to the National ...

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

The heat waves moving in recent days across Canada, the U.S. and northern Europe are part of a dangerous new climate pattern.

Hundreds of firefighters have been struggling to contain wildfires at several locations on the Greek island of Chios as ...

Tens of millions of Americans sweltered outside or sought air-conditioned refuge as an "extremely dangerous" heat wave ...