For decades, paleontologists have studied Tyrannosaurus rex (T. rex) through bones, teeth and isolated footprints.

The trackway was found in 2025 near Marmarth on U.S. Forest Service land. It extends about 23 feet and includes four ...

An amateur fossil hunter discovered what scientists believe is the first known trackway made by an adult Tyrannosaurus rex.

An extremely well preserved fossil feather could reveal why some birds survived the dinosaur-killing asteroid, and others did ...

Dinosaur poop—possibly from a juvenile T. rex or Nanotyrannus—containing feathers, bone fragments, and fish scales provides a ...

One of the biggest mysteries in paleontology is why this one small group of birds survived, when all the other birds and all ...

Analysis of fossilized remains from dinosaurs known as troodontids reveals how one species' hip and leg bones may have ...

Built from layers of Jurassic mudstone and limestone known as blue lias that developed beneath a shallow tropical sea some ...

Lyson knew that one print in the Hell Creek was unlikely, but two together—a T. rex trackway? That was absolutely improbable.

Archaeopteryx is an icon of evolution and is often called the first bird. Scientists have long debated just how it took off from the ground but a ...

Even the King of the dinosaurs wasn’t safe during the Cretaceous. Analysis of the largest T. Rex skeleton ever discovered ...