When nighttime temperatures remain high during heat waves, your body can't recover from daytime heat stress, creating dangerous and potentially life-threatening conditions.

The peak average highs for many in the United States are hit in July or early August, but in some locations it's as early as June or as late as early fall.

The chance of a tropical depression forming is low before the disturbance moves inland by this weekend, but it will still produce rainfall and rip current impacts on the northern Gulf Coast.

In what's been a hot summer, Friday will be a scorcher in the Northeast. Here's what you need to know, how to stay safe, and how long this oppressive heat will last.

As climate change threatens this string of islands, residents are racing to secure a world-first climate migration visa to Australia before it’s too late.