A set of giant Megalodon vertebrae that vanished for decades has been rediscovered in Denmark, confirming that this ...

Fossil remains of a large, now-extinct bird species have been discovered in Australia's Boodjamulla National Park. The ground-dwelling species—Menura tyawanoides—is an ancient ancestor of Australia's ...

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 ...

Estimating the maximum speed capability (athletic capability) of very large fossil animals is challenging. While large animals have limbs favoring longer stride lengths and higher speeds, their body ...

In the world of biology, being declared extinct is usually a permanent sentence, but nature occasionally loves to prove us wrong. These incredible animals, often referred to as "Lazarus species," ...

When you think of rats, you think of relatively small rodents. These dimensions did not apply to the white-footed rabbit rat ...

The late 1900s were a time of rapid change for our planet, and unfortunately, some of its most unique inhabitants did not survive. Between the 1980s and 1990s, several animal species disappeared ...