More moisture in the lower atmosphere means perspiration works less effectively and can stymie bodily recovery with warmer nighttime temperatures.

Evapotranspiration is the process by which water returns to the atmosphere through evaporation from surfaces and transpiration from plants, playing a key role in the water cycle and influencing ...

If you are living in one of many areas of the U.S. currently experiencing a heat wave, your outdoor thermometer may say it's ...