The Nature Index tracks primary research articles from 145 natural-science and health-science journals, chosen based on reputation by an independent group of researchers. The Nature Index provides ...

Add Yahoo as a preferred source to see more of our stories on Google. A close up of the great American Alligator in Black Bayou National reserve in North East ...

Alligators are divided into two types: American and Chinese Alligator. The latter, unfortunately, has only one species remaining, with critically low numbers. American alligators, in contrast, thrive ...

An alligator is a crocodilian in the genus Alligator of the family Alligatoridae. The two living species are the American alligator and the Chinese alligator.© meunierd/Shutterstock.com Louisiana is ...

Alligators are among the most fascinating and mysterious reptiles on Earth, a perfect combination of ancient lineage and surprisingly complex behaviors. These predators often seem prehistoric, thanks ...