USA TODAY analysis found that 90-plus heat index days are becoming more frequent, starting earlier, lasting longer and occurring in longer streaks ...

Heat cramps, painful muscle cramps and spasms, usually in the legs and abdomen, may also be a symptom of heat exhaustion.

May, the number of patients quickly surpassed 40, according to government data. Health authorities are urging people to stay ...

This Houston emergency room physician is showing families what to watch for—and what to do when seconds count.

Heat-related illnesses and deaths are preventable. Here's what you need to know about prevention, plus symptoms and treatment ...

More Perfect Union organization sponsors billboards bringing attention to national parks, staffing, and DOGE cuts ...

According to data from Kids and Car Safety, since 1990, Texas has led the nation in child heat strokes, with 156 deaths in total.

Arizona’s 2023 heat season was the deadliest on record, and rural counties like La Paz and Mohave bore a disproportionate ...

Soaring temperatures are dangerous and deadly. Here's the difference between heat exhaustion and heat stroke as Ohio has its ...