With the first official 100-degree reading in 13 years on Tuesday, Philadelphia broke a 100-year-old record for a daily high-temperature. And another might fall Wednesday, after what could be a second ...

Summer is just getting started, and millions of people are under heat advisories as a major heat wave spreads across large ...

Extreme heat makes it especially hard for your body to cool down, so you need to be extra careful if you exercise or play ...