Answer by Adriana Heguy, molecular biologist, genomics researcher, on Quora: The biggest animals are plant eaters, not just in the dinosaur age but in our age too. The biggest land animal is the ...

Clarke studies how birds evolved from dinosaurs at University of Texas at Austin. Scientists haven't agreed on why certain animals survived and others didn't, but in looking at the common traits ...

Teeth can tell a life’s story, even when they’re 150 million years old. One of the new frontiers in paleontological research ...

A 125-million-year-old fossil from the early Cretaceous shows the skeletons of a smaller mammal biting a larger horned dinosaur, suggesting a much more complex ancient food web.

Contrary to widespread assumptions, the largest shark that ever lived -- Otodus megalodon -- fed on marine creatures at various levels of the food pyramid and not just the top. Scientists analyzed ...