Add Yahoo as a preferred source to see more of our stories on Google. Researchers in Spain have identified a new spinosaurus species that walked on two legs, feasted on fish and measured between 32 ...

Paleontologists have long wrestled with how to differentiate between male and female dinosaurs based on their fossils. But new research may bring scientists closer to identifying the sex of one group ...

SAO PAULO, Nov 23 (Reuters) - Brazil's geological service on Thursday announced a new species of dinosaur, a speedy animal that lived in the desert during the early Cretaceous period. The new species, ...

WASHINGTON, Feb 6 (Reuters) - Footprints are among the most common kind of dinosaur fossils. Sometimes scientists find a single, lonely footprint. Sometimes they come across a chaotic jumble of tracks ...