Roughly 150 million years ago, a speedy, dog-sized dinosaur with big feet sprinted around what is now Colorado, dodging ...

A new species of dinosaur has been discovered.Researchers say the Enigmacursor mollyborthwickae was a dog-sized creature that ...

Evolution of dinosaur body size through different developmental mechanisms. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2023 / 02 / 230223181827.htm ...

A 125-million-year-old fossil from the early Cretaceous shows the skeletons of a smaller mammal biting a larger horned dinosaur, suggesting a much more complex ancient food web.

Sometime during the Cretaceous Period, 125 million years ago, a feisty mammal the size of a domestic cat attacked a dinosaur three times its size. CNN values your feedback 1.

More than 260 dinosaur footprints found in South America and Africa match up, serving as a reminder of how young Earth's continents still are.

A newly-discovered dog-size dinosaur was covered in armor and had tiny arms ... This is, in fact, the thyreophoran known to have been unearthed anywhere on the southern side of the equator. ...

The meat-eating dinosaurs known as theropods ranged in size from the bus-sized T. rex, to the dog-sized Velociraptor, to the birds we know today. The puzzle of how such wildly different dinosaur ...

(CNN) — Sometime during the Cretaceous Period, 125 million years ago, a feisty mammal the size of a domestic cat encountered a dinosaur three times its size and thought it looked like a tasty meal.

It took a lot of meat to feed even one species of large carnivorous dinosaur, so how did several survive side-by-side in the Jurassic and Cretaceous periods without starving? We might finally have ...

Sometime during the Cretaceous Period, 125 million years ago, a feisty mammal the size of a domestic cat attacked a dinosaur three times its size. CNN values your feedback 1.

The meat-eating dinosaurs known as theropods that roamed the ancient Earth ranged in size from the bus-sized T. rex to the smaller, dog-sized Velociraptor. Scientists puzzling over how such wildly ...