a prehistoric whale with a long snout and sharp, cutting teeth. These whales evolved from an even more ancient species of dog-sized land animals around 50 million years ago, and although they were ...

Read more: These 12 Prehistoric Sea Animals Are Pure Nightmare Fuel Though ... we thankfully don't have to worry about giant ...

However, there were also other incredible prehistoric animals. After the extinction of ... was one of the largest land mammals ever to roam the Earth. Why did mammals grow so big?

One of the most important milestones in the evolution of life began some 400 million years ago, when the first animals made their way from water onto land. At that time, known as the Devonian ...

A prehistoric land of dinosaurs. A subterranean maze for fierce gladiators and wild animals. These are just a few of the global destinations given World Heritage status by the United Nations ...

Genetic tests revealed Yellowstone's two breeding herds have become one over the last two decades. (Image credit: National Park Service/Jacob W. Frank) To reveal the breeding dynamics of the ...

"Part of what we're expecting is to find — scientifically significant discoveries, and hopefully the discovery of new animals ... when the land used to be covered by a body of water known ...