Amazon Rainforest Inhabitants Lived Alongside Ice Age Creatures, Researchers Find Rock Paintings of Now-Extinct Animals In ...

An international team of researchers has suggested a "wild" new theory to explain the creation of these mysterious ancient ...

At age 75, Vadevino Alano keeps up a brisk pace as he strides through the forest on the way to the Armadillo’s Den — a ...

South American megafauna, from giant sloths to camel-like creatures, survived thousands of years longer than we thought, ...

While we can’t say exactly how many animal species have gone extinct in the past 125 years, it’s estimated that between 200 and 500 species have faced extinction in the past century.

The well-preserved skull belongs to a never-before-seen species of sauropodomorph that potentially grew up to 33 feet long. An enormous, extremely well preserved dinosaur skull unearthed in China ...

For a long time, scientists believed the first humans to arrive in the Americas soon killed off these giant ground sloths ... animals for at least 10,000 years, without making them go extinct.” ...

Without many other mammalian competitors, those early lemurs evolved into a dizzying array of forms, everything from teacup-sized mouse lemurs to giant sloth ... more than 100 species that live ...

The natural world is ever-changing, and unfortunately, the rapid rate of human expansion, habitat destruction, and climate change has led to the extinction of numerous species. Here, we explore 15 ...

SAO PAULO — Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons — and when startled, they brandished immense claws. For a long time ...

AP Photo/Mary Conlon Paleontologist Thaís Pansani stands in front the reconstructed skeleton of a giant ground sloth ... these animals for at least 10,000 years, without making them go extinct.” ...

But new discoveries suggest that "humans were existing alongside these animals for at least 10,000 years, without making them go extinct."Some of the most tantalizing clues come from an archaeological ...