Sloths weren’t always the slow, tree-hugging creatures we know today. For millions of years, they came in a wild variety of ...

The exhibit has life-size fossil replicas, interactive displays, and education panels for all dinosaur fans and age groups.

Thousands of years ago, ground sloths as massive as elephants roamed the Americas. Their history, marked by spectacular ...

New research shows 8,000-pound sloths once dug caves, adapted to oceans, and roamed widely—until climate and humans brought ...

An exhibition featuring skeletons and models of giant prehistoric animals is heading to Birmingham and Edinburgh early next ...

The animal kingdom boasts creatures that prioritize relaxation. From the unhurried cuckoos and bamboo-munching pandas to the ...

But as the planet cooled again, sloths began to bulk up. The largest ground sloths emerged during the Ice Ages. Big bodies ...

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"[This] does not track with shifts in palaeotemperature, reinforcing the idea that human impacts played a more prominent role in the extinction of ground sloths than climatic change," the researchers ...

A pair of large moths, which are the size of a human hand, were recently observed mating just hours after hatching at the Museum of Natural History and Environmental Culture in Mexico City.