For decades, turtles have stumped scientists trying to place the shelled reptiles on the evolutionary tree. Now, a new study ...

The origin of turtles has always been a bit of a puzzle for scientists who study the evolution of animals. To this day, where ...

Learn how a 260-million-year-old Permian reptile, once thought to explain turtle evolution, turned out to belong to a different lineage, reshaping the story of turtle origins in the Triassic Period.

“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 ...

The Late Triassic was full of animals that look almost familiar, right up until you place them on the evolutionary tree. One ...

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 ...

"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 ...

Lizard bone armor evolved at least 13 separate times over 320 million years, and monitor lizards even re-grew it after losing ...

Following careful study of a prehistoric skull of a new species unearthed in Madagascar, Azendohsaurus madagaskarensis, it turns out Azendohsaurus is not an early dinosaur as long assumed, but rather ...

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.The ...