Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.

Fossils from New Mexico change how we look at dinosaur history.

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

The Tremembé Formation itself is the only fossil-rich unit in Brazil from the Late Oligocene that preserves mammal remains.

You will learn about how one fossil fuel formed thousands of feet below parts of the US. Fossil fuels formed millions of years ago. Different kinds of coals, oils and natural gases formed as dead ...

New research in a North American “mummy zone” in eastern Wyoming reveals how giant duck-billed dinosaurs were preserved in striking detail.

CNN — Spiders are not well represented in the fossil record. Their soft external skeletons don't typically preserve well -- except at a few exceptional sites around the world. There is one remarkable ...

Maybe that black cat that crossed your path wasn’t so bad after all. For the dinosaurs, an extinction-causing asteroid derailed what seemed to be a pretty good run. “It’s all just bad luck,” said New ...