Instead of one species of elephant, Africa has two, researchers said on Tuesday, confirming suspicions about the two distinctly different looking pachyderms. Full story
Everyone is taught that there are two species of elephants — the African and the Asian — but new research is suggesting this isn't the whole truth. The "African elephant" is actually two species, as evolutionarily different as lions and tigers are from one another. Full story
Mighty swings in climate played a major role in causing mass extinctions of mammals, such as woolly mammoths and saber-toothed cats, in the last 50,000 years, researchers now suggest. Full story