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

A fossil of two dinosaurs locked in battle shows the smaller of the pair wasn’t a young T. rex but a full-grown predator of ...

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.

A new pachycephalosaur, officially named Zavacephale rinpoche, was described in the journal Nature. The word rinpoche is ...

Fossilized predator bones found in the legendary Cretaceous dinosaur graveyard of Hell Creek did not belong to a baby ...

That killed T. rex? Berkeley team says it was it was a space impact after all. Feb. 7, 2013 — -- Go digging with dinosaur hunters and they will show you that the last of the Cretaceous beasts ...

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, ...

The impact dinosaurs had on Earth was so big that their extinction seems to have caused dramatic and wide-ranging changes to the planet’s landscapes, such as shifting rivers. There is a marked ...