The largest sloth of all time was the size of an elephant. Known to paleontologists as Eremotherium, the shaggy giant shuffled across the woodlands of the ancient Americas between 60,000 and five ...

The giant squid was detected along with over 220 species, including some that might have never been discovered before.

Several millions of years ago, before the existence of modern cities, forests, rivers, and many other things in India, there ...

Add Yahoo as a preferred source to see more of our stories on Google. In the bushland of Tanzania, some “giant” creatures went about their day — or tried to. Something about the many-legged animals ...

When the asteroid ended the age of non-avian dinosaurs, it cleared ecological space on a global scale. Small survivors adapted quickly, and over the years, their descendants grew into animals that ...

Some octopuses that lived over 72 million years ago were as long as whales. These huge predators may have been the largest invertebrates ever.

As sunlight filtered through the forest canopy in Thailand, a “giant” creature crawled around a rocky hole. The animal’s “jewel-like” coloring caught the attention of passing scientists. It turned out ...