Some of the most tantalizing clues come from an archaeological site in central Brazil, called Santa Elina, where bones of giant ground sloths show signs of being manipulated by humans. Sloths like ...

Archeologists in Mexico have found fossils of extinct animals in a cenote in Umán, Yucatán, including those of a giant sloth ...

Gaylene Thomas, a wildlife care manager at the San Diego Zoo, oversees two teams that care for a variety of species, ...

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 ...

The rib bone of an extinct giant sloth discovered in January at the future Dollar Tree site in Rogersville is now a part of ...

Two sloth bear cubs born at the San Diego Zoo in late 2024 made their first public appearance on Thursday. The zoo shared a clip of the cubs emerging from their private den with their mother Shala.