There are more days with extreme heat than a century ago, according to meteorological data. Here's what to know.

It was one of the most intense, anomalous and deadly heat waves in recent years in the U.S. and western Canada, including ...

AccuWeather reports June 24 was the hottest day in more than a decade for millions of residents. But also pay attention to ...

A heat wave that gripped southern Ontario has ushered in a wave of ripe strawberries in Haldimand and Norfolk. A heat wave ...

Here are five pieces of data to show why our recent stretch of 90s and 100s went far beyond normal, run-of-the-mill ...

Climate change has been exacerbating heat waves, and the problem isn't going away anytime soon. An increasingly hot planet — ...

Pennsylvania State Sen. Doug Mastriano wants Met-Ed to give thousands of customers a credit after they lost power for days ...

Sacramento anticipates a heat wave with high temperatures reaching near 100 degrees, per the National Weather Service.

Toronto Public Health says it recorded 42 heat-related emergency department visits during the heat wave that gripped much of Ontario earlier this week.

An amber warning means the whole health service is likely to be affected. As well as a risk of death among elderly people and ...

The mayor’s successful pitch to council will have staff report back about restoring 24/7 cooling centres and bringing in ...

A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high temperatures.