For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now Nebraska. With a head that made up almost half of its body length and ...

Talk about outlandish — I’m here at the edge of the world to learn more about the demise of ancient giant sloths, as well as ...

Marianela Amaya and Marcelo Lima were taking a walk down Serena beach in Mar del Plata on Argentina’s Atlantic coast on Sunday when they came across the remains of a giant sloth, believed to be ...

Giant ground sloths, described as "a hamster the size of an elephant," apparently existed in ancient times. They are believed to have measured roughly four metres in length, were capable of ...

500,000 years ago, a group of armadillo-like mammals, horses, and sloths met their untimely end after plunging into the sinkhole in ... Among the fossils was Holmesina, a giant armadillo-like mammal ...