Scientists in recent years have made progress in finding ancient DNA in fossils, gaining insight into organisms that lived ...

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

Most species within these families have soft bodies, and some females exhibit neoteny, making it difficult to find fossils.

Meet The Purple Frog, A Dinosaur-Era “Living Fossil” That Emerged Over 80 Million Years Ago. ... hailing from a deep branch in the family tree of frogs that stretches back to the Mesozoic era.

Squids first appeared about 100 million years ago and quickly rose to become dominant predators in the ancient oceans, ...

A nearly 100 million-year-old firefly fossilized in amber sheds light on how the bioluminescent insects evolved during the time of dinosaurs, a new study finds.

What's more, the firefly fossil, which measures less than 1 centimeter long, is morphologically different from the other specimen identified in 2015, showing that the light organs of Mesozoic ...

In 2003, a fossil belonging to a mammaliaform was discovered in an ancient lakebed in what's now China. It was an almost complete skeleton the size of a platypus, a find that complicated the ...

A dearth of three-dimensional fossils from the Mesozoic Era—a geologic period that lasted from around 252 million years ago to 66 million years ago—has long hindered our understanding of the ...

A nearly 100 million-year-old firefly fossilized in amber sheds light on how the bioluminescent insects evolved during the time of dinosaurs, a new study finds.