Summary: Researchers uncovered how our biological clocks keep a 24-hour rhythm even as temperatures fluctuate. Using ...

New research from Queen Mary University of London reveals how fruit fly larvae have repeatedly evolved their temperature ...

With a stretch of VERY hot weather ahead for the rest of this month into August, it is a good idea to look at how we measure ...

A heat wave has prompted officials to issue widespread heat advisories and extreme heat warnings across the U.S. this week.

When it comes to doing laundry, there are many rules to follow — yet one of the most important ones is what you set your ...

Discover the optimal temperature to set your air conditioner in summer for comfort and energy efficiency. Learn about factors ...

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High ...

The high of 97 degrees Tuesday is average for late July, according to the National Weather Service’s Fort Worth office.

How low should you set your thermostat for as record-breaking heat sweeps over the country? Here's what experts and other ...

The temperature in New York City has reached 100 degrees as the eastern U.S. sweltered under an extreme heat wave.

The power minister proposed a rule in June requiring air conditioners sold in the country to have thermostats that can be set ...