The ability to regulate body temperature, a trait all mammals and birds have today, may have evolved among some dinosaurs around 180 million years ago, a study suggests. Analysing 1,000 fossils ...

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

A new study shows some dinosaurs were warm-blooded and could regulate their body temperature. This adaptation helped them ...

Steven Spielberg-helmed epic blockbuster Jurassic Park, on beholding a living dinosaur (Brachiosaurus) for the first time on ...

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 ...

In the early 20th century it was thought that dinosaurs were slow-moving creatures that relied on heat from the sun to ...

The long-standing debate among scientists about whether dinosaurs were cold-blooded like reptiles or warm-blooded like ...

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

DALLAS (AP) — 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 ...

During the Mesozoic Era, which lasted from 230 to 66 million years ago, proto-dinosaurs known as dinosauromorphs began to ...