The bird was roughly the size of a starling and lived about 80 million years ago in what is now Brazil before the mass extinction event that wiped out all the non-avian dinosaurs. The discovery ...

It lasted a long time, nearly 80 million years, making it the longest geological period of the Phanerozoic Eon, which began some 539 million years ago. The Cretaceous is split into two smaller time ...

For at least 80 million years the oceanic Indian Plate ... from friction and the huge pressures of collision. However, by 25 million years ago the fast moving Indian continent had almost entirely ...

The first alligator ancestors evolved some 245 million years ago. About 80 million years ago, during the Cretaceous period, crocodilians appeared. This group includes alligatoroids, such as ...