We humans can rely on our internal body heat to help keep us warm. But what can cold-blooded animals do when faced with the ...

(CNN) — Were dinosaurs warm-blooded like birds and mammals or cold-blooded like reptiles? It’s one of paleontology’s oldest questions, and gleaning the answer matters because it illuminates how the ...

For more than 100 years, researchers assumed that dinosaurs were like giant lizards: sluggish reptiles that spent most of their day basking in the sun. This image changed when we started to realize ...

How does a thin-skinned, cold-blooded creature survive a below freezing Colorado winter without a fur coat or a ticket south?

(CNN) — Were dinosaurs warm-blooded like birds and mammals or cold-blooded like reptiles? It’s one of paleontology’s oldest questions, and gleaning the answer matters because it illuminates how the ...

You may not know this, but the warm and/or cold nature of dinosaurs is ... hotly contested. A study last year put dinosaurs solidly in between cold-blooded reptiles and warm-blooded modern mammals, ...

Gatorland uses heat lamps, space heaters, and indoor enclosures to protect its cold-blooded animals like tortoises, reptiles, and Jawlene, the jawless alligator, during colder weather. While reptiles ...

An artist's rendering of a feathered dinosuar in the snow. Feathers would have allowed dinosaurs, ancestors of birds, to trap their body heat in cold climates. Davide Bonadonna / Universidade de Vigo ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Were dinosaurs warm ...

Scientists once thought of dinosaurs as sluggish, cold-blooded creatures. Then research suggested that some could control their body temperature, but when and how that shift came about remained a ...

This illustration provided by the University of Vigo and University College London, depicts a dromaeosaur incubating its eggs as snow falls. (Davide Bonadonna/University of Vigo/University College ...