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 ...

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 ...

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 ...

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, ...

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

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

The Jurassic Period lasted from about 201.3 to 145 million years ago. Evolution moved incredibly fast then, as did the creatures it created. In popular culture, we tend to think of dinosaurs as slow, ...

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 ...

The brand new installment of the award-winning natural history series Planet Earth comes Prehistoric Planet: Ice Age, which is set to debut exclusively on Apple TV+ Wednesday, Nov. 26. The new ...

NEW YORK — If you've seen any of the "Ice Age" animated Disney movies, we have some bad news: You don't know the real ice age. It was an incredible time when the Earth was going through immense ...

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 ...