Sloths live in perpetual slow motion in the tropical rainforests of Central and South America today. But Roughly 10,000 years ago, a family of ancient, giant relatives would roam any number of ...

In the museum’s basement, we find more skeletal megafauna. Take the charming Giant Ground Sloth: looking at its paws and ...

Matheus Fernandes In a dusty rock shelter in Santa Elina, Brazil, two layers of giant ground sloth bones have been swallowed into the earth. The oldest sloth fossils in the deposit date back ...

From fearsome land mammals to deadly sea creatures, we rank the most terrifying animals that once roamed Earth.

Natural Trap Cave near Lovell is one of the best Ice Age fossil sites in the world, but its lack of saber-toothed cats and giant ground sloths ...

The fossilized leg bone of the terror bird went unidentified for almost 20 years. Nearly 12 million years ago, the largest ...

Woolly mammoth DNA was found deep in Siberian permafrost, and sediment from a cave in Arizona contained genetic material from an ancient giant ground sloth. These discoveries showed that DNA could ...

Nearly 12,600 years ago, during the Late Pleistocene era, a group of humans hunted and killed a giant ground sloth in Argentina, then left the animal's bones behind, along with their butchering knife.

The extinct giant ground sloths were some of the only mammals that had digestive systems large enough to process the huge avocado seeds whole. They feasted on the fruit and then dispersed the ...

Nearly 27,000 years ago, a giant ground sloth traveled across a barren, arid landscape in what is now Belize, munching on grassy vegetation and searching for water. A nearby sinkhole may have ...

Researchers including a Johns Hopkins University evolutionary biologist report they have analyzed a fossil of an extinct ...