The cruel heat is back as southern Europe slips deeper into summer. In homes and offices, air conditioning is sweet relief.

"Heat stress is an invisible killer,” the ILO said in a report last year on how heat hurts workers. It called for countries ...

An unprecedented heat wave has seen temperatures soar on the Italian island and experts warn that the record set in August ...

An extreme heat warning was in place for hundreds of thousands of people in one state as temperatures hit dangerous levels.

The village of Concho in the Arizona high desert is home to about 50 people — barely a dot in a sprawling, dusty landscape speckled with ...

As summer temperatures rise, battle lines have been drawn between those who want air conditioning and those who worry over ...

The National Weather Service already has issued extreme heat warnings, watches and advisories across a swath of the Midwest and South.

After reporting on federal politics from Canberra for 20 years, our new Europe correspondent finds a city sweltering through ...

What we know so far: The Dale Fire was reported around 12:30 p.m. in the area of Lugo Road and Highway 371 in Aguangua, ...

Teams endured extreme heat during the Club World Cup—seen as a test for how FIFA will protect players next year.