Because alligators are ectothermic, they have to rely on external sources of heat to regulate their body temperature.

Cold mornings have a way of making you pull your hood tighter, especially if you grew up hearing that your head leaks most of your warmth. That idea sounds intuitive, but modern physiology paints a ...

Our reporter hits the treadmill to understand how scientists study extreme heat. Our reporter hits the treadmill to understand how scientists study extreme heat. A heat lamp at the University of ...