The giant ground sloth was given its scientific name Megalonyx jeffersonii by the US’s third president and founding father ...

Manatee County utility crews unearthed a piece of history, dating back thousands of years, while digging a trench for a ...

Today, sloths are slow-moving, tree-dwelling creatures that live in Central and South America and can grow up to 2.5 feet long. Thousands of years ago, however, some sloths walked along the ground ...

A prehistoric discovery near Hays is shedding some new light on a giant ground sloth species that lived more than 10,000 years ago.

Ground sloths had a special fondness for caves, and their size undoubtedly played a role in their ability to find and make shelters. The moderately sized Shasta ground sloth favorited small, natural ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big.

An analysis of the sloth family tree suggests three different groups of the animals evolved to gigantic sizes in response to cold and dry conditions ...

According to the National Park Service, there are two giant ground sloths, but due to the location of the bones, it’s likely these are remnants of the Shasta Ground sloth or Nothrotheriops shastensis.

While conducting an environmental review for Loop 88 in Lubbock, Texas, TxDOT found what experts believe to be the tooth of a giant ground sloth.

There are two types of Giant Ground Sloths: the Nothrotheriops shastensis, known as the Shasta Ground Sloth, and the Megalonyx, or Large Clawed Ground Sloth, according to the National Park Service.