A male (silver) and female (brown) common European adder meet prior to mating. Scientists are just beginning to understand female sexual anatomy in snakes. David Tipling / Education Images / Universal ...

Two recently discovered skeletons of the enigmatic Lower Permian reptile Araeoscelis provide important, additional information on its osteology and permit a reassessment of its phylogenetic ...

AMMAN — Facing fears and confronting societal norms, 30-year-old Jordanian Hiba Da’ja has become the Kingdom’s first female reptile expert, and is working to become the first community reptile ...

Title is from title page; volumes are titled "Comparative anatomy and physiology of vertebrates" on the spine. Wood (1931) lists it as "On the anatomy of vertebrates ...

A key moment in our evolutionary saga occurred 200 million years ago, when the ferocious reptile-like animals that roamed the Earth were in the process of evolving into shrew-like mammals. But our ...

"It's like a snake on the outside, but a fish on the inside." The fossil of an early snake-like animal - called Lethiscus stocki - has kept its evolutionary secrets for the last 340-million years. Now ...

Paleontologists in Guizhou, China, have uncovered a nearly complete fossil of Dinocephalosaurus orientalis, a 240-million-year-old marine reptile. This discovery, featuring an unusually long neck, has ...

AMMAN - Facing fears and confronting societal norms, 30-year-old Jordanian Hiba Da'ja has become the Kingdom's first female reptile expert, and is working to become the first community reptile ...