What is heat index and how does it affect how stifling excessive heat feels?

Michigan's heat wave this week will feel even warmer because of high humidity. Here's how the heat index works.

Heat can be dangerous, but health experts say there are ways to manage the threat. Scorching temperatures, especially ...

Exercising outside in high temps can be a health hazard. Here's how to read your local index, according to a doctor, so you can stay safe.

The heat index shows how humidity makes hot days feel hotter, and why direct sun can push dangerous conditions even higher.

As summer temperatures rise, dairy cows are at greater risk for heat stress. Heat-stressed cows suffer from reduced dry matter intake, reducing milk production. Farmers may also notice reduced ...

The temperature reading in Central Park tied a record for July 2 set in 1966. Some 163 million people, from Missouri to Maine ...

Climate and infrastructure challenges mean facilities professionals must work together to improve building performance, Colliers Project's Sarah Maston said at the organization’s conference.

Sometimes you can stay hydrated and still run; other times you should just pack it in.

Temperatures are hitting the mid- to upper 90s in many places across the Northeast.

In a novel experiment at the University of Cincinnati, researchers recently isolated kissing bugs, fruit flies, mosquitoes ...