Heatwaves are happening more often and are becoming more deadly, a new study shows.

Dogs can easily suffer heatstroke during the summer months. An expert offers tips how to keep your pooch cool when it gets hot.

Long before thermometers, nature left its own temperature records. A climate scientist explains how ongoing global warming compares with ancient temperatures.

A new study clarifies the relationship between temperatures and changes in the size of the body parts of animals.

In the state of Georgia, the risk of snake bite increases 6% for every degree Celsius that daily temperatures rise, report researchers.

Water temperatures in the 90s off Florida in July are alarming, a NOAA coral scientist writes. Scientists in several North American countries have already spotted coral bleaching off their coasts.

Europe is gripped by a heatwave called Cerberus - it may be a sign of things to come.

Three economists looked at years of temperature and death data and calculated the costs when forecasts miss the mark.