The life of a 166-million-year-old reptile has been turned upside down. While Marmoretta oxoniensis was believed to have swum in ancient lagoons, new research reveals it spent its time climbing trees ...

The evolutionary history of the mock viper, a mildly venomous, widely distributed Asian snake that mimics highly venomous vipers for self-defense, has been solved. The mock viper represents a ...

“Mirasaura teaches us that a feather is only one of the many wondrous things that reptiles evolved to grow out of their skin,” wrote Yale University evolutionary biologist Richard Prum in an essay ...

New fossil finds from Australia prove that the first reptile-like land animals colonized the mainland 350 million years ago. This is significantly earlier than previously assumed.

The origin of turtles has always been a bit of a puzzle for scientists who study the evolution of animals. To this day, where they fit in the tree of life remains a highly debated topic. The ...

"I'm stunned." says Per Ahlberg of Uppsala University, who coordinated the study; "A single track-bearing slab, which one person can lift, calls into question everything we thought we knew about when ...

WASHINGTON — Scientists in Australia have identified the oldest known fossil footprints of a reptilelike animal, dated to around 350 million years ago. The discovery suggests that after the first ...

Mock vipers not only look like tree-dwelling vipers but also act like them. Intriguingly, they have a fake ‘fang’ in the front of their mouth, which befools a predator into thinking that they possess ...

The origin of turtles has always been a bit of a puzzle for scientists who study the evolution of animals. To this day, where they fit in the tree of life remains a highly debated topic. Subscribe to ...

The origin of turtles has always been a bit of a puzzle for scientists who study the evolution of animals. To this day, where they fit in the tree of life remains a highly debated topic. The ...