Inside the stomach of an ancient wolf puppy found entombed in Siberian permafrost, scientists discovered meat from a woolly ...

You are probably familiar with kangaroos. Wallabies, too, and most likely quokkas as well. Less famous are their small, endangered cousins, the bettongs. These little marsupials love to dig and have a ...

But ancient New Zealand was home to an extinct species of great penguin around three million years ago, during a period in Earth's history known as the mid-Piacenzian Warming Period. (Image credit: CC ...

In the past couple of decades, several species have been driven to extinction thanks, in large part, to human interference. Sometimes that interference is direct, poaching for big game trophies or ...