The physical differences between the earliest known fossils and those from the dinosaurs that lived much later suggest that animals had already been evolving for some time. Paleontologists believe ...

Researchers show that tiny armored dinosaur fossils, Liaoningosaurus paradoxus, were actually baby ankylosaurs.

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 million to 230 million years ago in the Triassic Period, and went extinct ...

Dinosaurs had such an immense impact on Earth that their sudden extinction led to wide-scale changes in landscapes—including the shape of rivers—and these changes are reflected in the geologic record, ...

This illustration provided by the University of Vigo and University College London, depicts a dromaeosaur incubating its eggs as snow falls. The raptor, along with other select dinosaurs, may have ...

Researchers reconstructed the Triassic food web using nothing but scat. Researchers have conducted what could be the largest study ever of dinosaur poop. The findings shed new light on how dinosaur's ...

Dinosaurs ruled Earth for millions of years, but according to the most widely accepted theory, a massive asteroid wiped them ...

Disney may have its dinosaurs speaking English, but that seems almost tame compared with the startling conclusions that scientists have reached about these Mesozoic reptiles lately. Finding vegetation ...

The dinosaurs' extinction was spurred by an asteroid that struck Earth. By studying the crater, scientists now know what happened after the impact.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Life on Earth began over four billion years ago, not long ...

Where they lived: Dinosaur fossils have been found on every continent, including Antarctica. What they ate: Some ate plants, while others ate animals, including other dinosaurs. How big they were: The ...

DALLASDALLAS — Scientists once thought of dinosaurs as sluggish, cold-blooded creatures. Then research suggested that some could control their body temperature, but when and how that shift came about ...