Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

In two new studies supported by FAPESP, researchers at the State University of Campinas (UNICAMP) in the state of São Paulo, Brazil, have shed light on how interactions between predators and prey ...

The study revealed some surprising results. The first is that rather than contrasting two distinct cranial morphologies in species with elongated upper canines and those with short teeth, there is ...

Saber-toothed cats of the genus Smilodon devouring their prey. A loss of diversity occurred due to fewer herbivores to prey on, which led to extinction Disclaimer: AAAS and EurekAlert! are not ...