A horned dinosaur as long as an RV may have reached speeds above 55 kilometres an hour as it ran down its prey, estimates an Alberta researcher. "This was a super-fast predator," said W. Scott Persons ...

Add Yahoo as a preferred source to see more of our stories on Google. View of a Carnotaurus replica on dispaly at the Cretaceous Park in Cal Orcko hill in Sucre (AFP via Getty Images) Scientists have ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Allosaurus, Tyrannosaurus, Giganotosaurus, ...

The Carnotaurus, know for its bull like horns, is part of the Ultimate Dinosaurs exhibit at the Cleveland Museum of Natural History through April. Marvin Fong, The Plain Dealer CLEVELAND, Ohio — The ...

Spoiler warning: there are more than more two dinosaur sex scenes in Prehistoric Planet (nothing too graphic of course—we don’t even know what dinosaur penises looked like). I won’t go into the ...