Stories about: dinosaurs  

This helps explain why so many marine species were annihilated

New studies investigate a wonderful fossil site in Inner Mongolia

Not all species of ancient lizards sported these ornaments

This is likely to happen if larger mammals become extinct

The specimen appears to have lived 100 million years ago

Previous studies indicated mammals had appeared only after dinosaurs died off

This is the first discovery of its kind in the United States

Dinosaur joints packed several layers of cartilage, were fairly wide and flat

The experience would have taken the player to a new planet

Scientists dismiss claims that DNA from insects could be used to recreate dinosaurs

Others lived in the open ocean, fed similarly to today's killer whales

Paleontologists claim it's unlikely these dinosaurs swiveled their heads around

The animals fought and killed each other, paleontologists say

For these dinos, head butting was the best way to solve a conflict

Wear and tear forced the animals to grow a new set of teeth after just a few weeks

Had they been cold-blooded, dinosaurs would not have thrived the way they did

Paleontologists shed new light on how some dinosaurs changed as they aged