A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...

A fossil site in New Mexico with numerous dinosaurs, including the gargantuan Alamosaurus, dates to shortly before the asteroid strike that abruptly ended the age ...

Paleontologists have long wrestled with the challenge of identifying the genders of dinosaurs from the fossils they leave ...

Paleontologists spotted injuries on the tails of duck-billed dinosaur fossils that might have occurred during mating.

When you think of dinosaurs, your first thoughts may include some of the more notorious species. In fact, of the more than 700 dinosaurs scientists have discovered, most people think of the larger ...

The “dueling dinosaur” fossil still leaves more questions than answers as scientists now attempt to determine their causes of ...

Fossil footprints discovered in Canada show that different dinosaur species sometimes herded together, shedding more light on social interaction among the prehistoric beasts. The footprints at the ...

This period of time was when dinosaurs first evolved. The continents we live on today were part of one land mass that scientists call Pangaea. The climate was hot and dinosaurs flourished after the ...

For decades, many scientists believed dinosaurs were already dwindling in number and variety long before an asteroid strike sealed their fate 66 million years ago.

Scientists have announced the discovery of damaged hemoglobin in the hollow, blood vessel–like structures of dinosaur fossils. The researchers used a novel technique they hope may put an enduring ...