Many dinosaurs were likely warm-blooded with high metabolic rates that resembled those of modern birds, according to a study published yesterday (May 25) in Nature. Comparing samples from more than 50 ...

Swayze's Tall Tale character Pecos Bill has been in the American pop culture zeitgeist for over a century, and some of the ...

How do they do it? Chemistry helps! The most important adaptation is how animals regulate their body temperature. Animals can be either warm-blooded or cold-blooded. Warm-blooded animals, which are ...

This suggests that some dinosaurs may have evolved the ability to make their own heat, known as endothermy, making them warm-blooded like birds and mammals are today. To unpack the history of how ...

Some biologists speculate that animals will get smaller with global warming to reduce heat stress. While this may be true of warm-blooded animals, what about exotherms like insects? Thanks to a ...

Yet, if that's true, why aren't birds cold-blooded like most modern-day reptiles? The answer is straightforward: Most dinosaurs were probably warm-blooded, too. Birds are descended from a diverse ...

It disappeared about 3.6 million years ago. Previously, scientists thought the megatooth might have been warm-blooded, but they had no evidence to support this idea until a study was published in ...

But it remained unclear whether fever’s tie to specialized adaptive immunity evolved independently in warm-blooded animals (mammals and birds) or was a strategy shared by all vertebrates.