Dinosaurs lived in the Arctic, research suggests

Discovery of tiny fossils indicates dinosaurs raised young in freezing region - and may have been warm-blooded

It had long stretches of winter darkness, freezing temperatures and often scarce resources, but an array of tiny fossils suggests dinosaurs not only roamed the Arctic, but hatched and raised their young there too.

While dinosaur fossils have previously been found in the Arctic, it was unclear whether they lived there year-round or were seasonal visitors.