Take Our A-Z-Animals Dinosaur Quiz The Haplocanthosarus was a sauropod ... It lived in North America, where it ate a variety of leaves, plants, and shrubs. One of the most unusual dinosaurs on the ...

Take Our A-Z-Animals Dinosaur Quiz The Qianzhousaurus (Qianzhousaurus ... along with many other species on this list. There is not much known about Quaesitosaurus (Quaseitosaurus orientalis ...

The bull gator lay in the sand under the oak trees. A few days earlier he had been hauled out of a murky lake in central Florida. Researchers instantly named him Mr. Big. He was sofa-size, with ...

Dinosaurs are one of the most successful groups of animals to have roamed the planet. For over 170 million years they dominated the land, from small creatures just a few feet long to some of the ...

The study gives new insight into how Komodo dragons keep their teeth razor-sharp and may provide clues to how dinosaurs like Tyrannosaurus rex killed ... Scientists Assess How Large Dinosaurs ...

According to scientists who maintain that dinosaur extinction came quickly, the impact must have spelled the cataclysmic end. For months, scientists conclude, dense clouds of dust blocked the sun ...

Despite having roamed the planet millions of years ago, thanks to advances in technology, dinosaurs aren’t as inscrutable today as they once were. And over the past decades, in addition to studying ...

It’s an unlikely relationship, but the humble pigeon is a descendant of the group of dinosaurs that also includes the mighty Tyrannosaurus rex. The two species share a remarkable biological past. Our ...

In “Dinosaurs at the Dinner Party,” the science writer Edward Dolnick takes on the 19th-century discovery of dinosaur fossils: “What was it like to try to grapple with an idea that hadn’t ...

“The fate of the dinosaurs and many other species was sealed by this projectile from the outer reaches of the solar system.” Previous research claimed that the rock was a “long-period ...

2000 in Washington D.C. Sue, the 67 million-year-old dinosaur, is scheduled to be put on display in many cities around the world. (Photo by Mark Wilson/Newsmakers) It seems that some scientists ...

It is one of the greatest puzzles in paleontology. For more than 150 million years, dinosaurs dominated Earth. They were so successful that other animal groups -- mammals included -- had little ...