Researchers report that ancient viruses may be to thank for myelin -- and, by extension, our large, complex brains. The team found that a retrovirus-derived genetic element or 'retrotransposon' is ...

Challenging a 75-year-old notion about how and when reptiles evolved during the past 300 million-plus years involves a lot of camerawork, loads of CT scanning, and, most of all, thousands of miles of ...

MSRLSI copy gift of Dr. George R. Zug and signed by author VPAL copy gift of the author; signed by the author and inscribed for the NMNH Library "Over 300 million years ago, an early land vertebrate ...

Scientists from the UAB and Iowa State University have generated the genome assemblies of two hidden-neck turtles, unpublished until now. The results, which revealed a new three-dimensional structure ...

New research has revealed how more upright limb postures helped ancient reptiles overcome the biomechanical constraints of body size, paving the way for the evolution of larger sizes in archosaurs—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 ...

Bucknell University Professor Jeffrey Trop, geology & environmental geosciences, is one of the recipients of a National Science Foundation (NSF) $148,000 collaborative grant supporting research that ...

A small, mummified reptile that died in an Oklahoma cave around 289 million years ago has revealed the earliest known example ...

Take a deep breath in, and your chest rises. Blow that air out, and your chest falls. While that breathing system might seem mundane, it’s shared by many modern-day creatures, including mammals, ...

A tiny ancient reptile just revealed the moment breathing as we know it began — and it changed life on Earth forever.