Reptiles first appear in the fossil record 315 million years ago and were the dominant animals during the Mesozoic era, which lasted for 270 million years until the extinction of the dinosaurs.

In the Mesozoic Era, dinosaurs were the undisputed rulers ... Cope’s Rule is rooted in the observation that larger animals often possess certain evolutionary advantages, such as improved ...

A bite hole in a rare neck bone fossil discovered in Canada suggests a crocodile-like predator chomped on the flying reptile, ...

Step back in time to the Mesozoic Era, where dinosaurs ruled the Earth. With this quiz, you’ll encounter iconic giants like the T. Rex and the Stegosaurus, clever predators like the Velociraptor ...

The animals constantly grew new shell material ... As ammonites evolved throughout the Mesozoic era, between 252 and 66 million years ago, their shell structures grew smaller, more tightly coiled ...

Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals.

Researchers have analyzed the soft tissue from a fossilized plesiosaur for the first time. The results show that the long-necked marine reptile had both smooth and scaly skin. This was likely so it ...

The family level of plants may be more diverse than animals, so that's why you don't get the massive losses of these big groups, because some element of them finds a way to survive extinction.' When ...

The truth about the platypus—and what makes the animal's recent genomic sequencing ... 166 million years ago, deep in the Mesozoic era, and since that time, it has independently lost different ...

Scientists divide the Mesozoic Era into three periods: the Triassic ... This meant that differences between animals or plants found in different areas were minor. The Triassic climate was relatively ...

Rising CO2 levels threaten sharks and rays - our report in category News in DiveInside - the fresh online magazine of Taucher.Net ...