Scientists once thought of dinosaurs as sluggish, cold-blooded creatures. Then research suggested that some could control ...

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 ...

Recent findings suggest that some dinosaurs were indeed warm-blooded, capable of regulating their body temperature. A few ...

Warm-bloodedness may have first arisen in dinosaurs some 180 million years ago. Dinosaurs were once thought to have been cold-blooded like their modern-day reptilian cousins. Recent findings ...

A new study suggests that the first warm-blooded dinosaurs may have roamed Earth about 180 million years ago DALLAS -- Scientists once thought of dinosaurs as sluggish, cold-blooded creatures.

They’re totally wrong. This is a ‘warm-blooded’ creature.” After decades of study and speculation, the more accepted theory today is that dinosaurs, once considered cold-blooded reptilian ...

Now, a new study estimates that the first warm-blooded dinosaurs may have roamed the Earth about 180 million years ago, about halfway through the creatures’ time on the planet. Warm-blooded ...

The first ‘warm-blooded’ dinosaurs emerged 180 million years ago, suggests a new study. The ability to regulate body temperature - a trait all birds and mammals have today - may have evolved among ...