Earth's history is marked by violent mass extinctions that have shaped life on the planet. Here's how many of these events ...

The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a bout of violent ...

The largest and most diverse group of Triassic aquatic reptiles gave birth to live young, researchers recently reported.

Triassic Marine Reptiles and Ecosystems Publication Trend The graph below shows the total number of publications each year in Triassic Marine Reptiles and Ecosystems.

A Triassic reptile species discovered at Petrified Forest National Park in Arizona was named after former park Superintendent and wife.

Triassic reptiles took 10,000 mile trips through “hellish” conditions, study suggests First study to consider how ancient reptiles dispersed across the Earth after end-Permian mass extinction ...

Bite marks on Triassic fossils show signs of bloody dino decapitation Aquatic dinosaurs evolved long, inflexible necks—an asset for foraging, but also a liability.

Footprint traces linked to a Triassic era reptile were stolen from Utah’s Capitol Reef National Park, officials say. Tools were used to cut the prints out.

Tucked away in a remote bonebed in Arizona's Petrified Forest National Park laid hundreds of fossils, including a fragile jawbone belonging to one of the oldest-known flying reptiles: the ...

Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.