Dr. Ward studies how extreme heat is reshaping lives and livelihoods in communities across the United States.

Paramedics in Washington, D.C., burned through their supply of ice packs on Tuesday, and residents cranked up the ...

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

Nearly 160 million people are under heat alerts from eastern Texas to Maine, as temperatures are forecasted to be as much as ...

The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds ...

Furnace-like heat and the threat of thunder and lightning are wreaking havoc at the Club World Cup -- and more of the same is ...

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

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

As tens of thousands of people braced for more extreme heat on Tuesday, authorities and public health experts in the United ...

More than 160 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

Substitutes retreat to locker rooms, practices canceled, jerseys drenched – the relentless heat wave sweeping across much of ...

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