New research finds that not only will climate change make heat waves hotter and longer, but the lengthening of heat waves ...

As doctors and public officials tackle the rise in dangerous health effects, there are early efforts to assess heat’s ...

A potentially record-breaking heat wave is pushing to the East, impacting millions of Americans in several states and cities.

The intensifying and expansive heat wave affecting around 150 million people in the United States from Wisconsin to ...

More than 37 million Americans are under heat advisories across the U.S., according to the National Weather Service. Here's ...

At least nine states along the East Coast faced summer swelter on Monday, and the steamy weather is expected to persist on ...

The first heat wave of summer could bring punishing humidity and triple-digit temperatures to many states east of the Rocky ...

An "extremely dangerous heat wave" is continuing to scorch a huge area of the eastern United States June 23, affecting tens of millions of people.

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

Extreme humidity and triple-digit temperatures are affecting around 250 million people across the United States. Here's the ...

The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds between 12 p.m. and 8 p.m. on June 24 between Washington, D.C., and New ...

Severe storms and showers are expected in the upper Midwest and parts of the Northeast and Mid-Atlantic this weekend.