Long before mammals dominated the land and even before the most famous dinosaurs appeared, Earth was home to a wide variety ...

From Tucumcari fossils to Clayton trackways, explore New Mexico’s dinosaur sites, dig programs and camping under dark skies.

Learn how fossils from Arizona’s Petrified Forest National Park revealed that a Late Triassic crocodile relative may have started life on four legs before walking on two as an adult.

A "peculiar" ancient relative of the crocodile which experts believe began life on four legs before, in adulthood, it learned ...

Fossils reveal a small ancient reptile related to crocodiles, Sonselasuchus cedrus, that may have switched from four legs to two as it grew.

Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.

Sonselasuchus cedrus, discovered in fossils from Arizona, was a crocodile relative from the Triassic period that grew into an ...

A study published in the Journal of Systematic Palaeontology describes the smallest rhynchosaur fossil ever recorded from the ...

If you thought that crocodiles were menacing enough, be glad that you didn’t live in Arizona some 225–201 million years ...

An 11-year-old fossil hunter helped scientists discover remains of a giant marine reptile that lived about 202 million years ago and may have been the largest sea reptile ever.

A father-daughter duo, fossil hunting on a Somerset beach, found the jawbone of Ichthyotitan severnensis, a 25-metre sea ...