Extreme humidity and heat will affect about 265 million people across the country this week. Maps show where and when to ...

Tuesday’s heat came on top of 39 new or tied heat records Monday. But just as dangerous as triple-digit heat is the lack of cooling at night, driven by the humidity.

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

Sweltering heat happens every summer, but to get close to the bar of a state's all-time hottest temperature usually takes a heat wave that's on another level.

While many learned about the American Revolution as beginning in the Northeast, some may not know Florida's role in the ...

A “heat dome” is bringing scorching temperatures and oppressive humidity to the Central and Eastern portions of the country ...

Supporters of extending the credits — or a more gradual phaseout — point to a study from NERA Economic Consulting released by ...

Hurricane prediction is getting good. Good enough to matter, good enough to warn people about the little things as well as ...

Ready to have a blast this Fourth of July? Check out our big list of parades, fireworks and other patriotic events around ...