Despite being mammals, these remarkably cancer-resistant animals share a lot in common with cold-blooded species.

Dinosaurs sit at the crossroads between reptiles and birds, leading scientists to debate whether they were warm- or cold-blooded. A new study may have found the answer for different groups of ...

A sharp cold snap sent temperatures plunging across the state, stunning cold-blooded iguanas and knocking them from trees in ...

One of the most puzzling true crime stories has to be the horrifying tale of the Clutter family murders in Holcomb, Kansas in 1959. On Nov. 18 and 19 at 9 p.m. ET, SundanceTV will premiere a two-night ...

Birds, the last surviving dinosaurs, are warm-blooded. But scientists have long debated whether other dinosaurs were also warm-blooded like birds or were cold-blooded like reptiles. Now, in a new ...

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 ...