The first pterosaurs had a sail-like tensioning system for flying with potentially cumbersome tail vanes, which they could have used for displays, a new study finds.

The researchers applied LSF to these vanes, creating maps of their internal structures ... alongside dinosaurs at the end of the Cretaceous period, their tails were almost gone.

Digital reconstruction of the Late Cretaceous (~69 million years old) crown bird Vegavis iaai that was completed following ...

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the ...

A QUARTER of a century ago, when first I began to study geology, it appeared to me that a predominance was given to the more recent rocks, such as the Pleistocene, Miocene, Eocene, Cretaceous ...

Contenders for the true first birds have now been found in Chinese rocks dating from the late Jurassic, around 149 million years ago. If accepted as birds, as the scientists who described them think ...

The feathered creature thrived during the Cretaceous period, and continued to do so even after an Earth-shattering asteroid strike 66million years ago. Christopher Torres, former NSF Postdoctoral ...

In a remarkable feat of archival scholarship, a group of paleontologists identified a previously unknown species of predatory dinosaur from the Cretaceous period from photographs of Egyptian ...

Researchers say the new findings provide insight into predator-prey dynamics in the region during the Cretaceous period and mark the first evidence in North America of ancient crocodilians ...