An international research team has determined that Troodon, a dinosaur very close to modern birds, was a warm-blooded animal (an endotherm), but had a reproductive system similar to that of modern ...

Scientists disclose that Troodon was exceptionally intelligent in relation to other dinosaurs that could be found at the time. It wandered in late Cretaceous on the landscapes of North America ...

FRANKFURT. In millions of years and with a long sequence of small changes, evolution has shaped a particular group of dinosaurs, the theropods, into the birds we watch fly around the planet today. In ...