Because Texas has other sites with evidence of prehistoric humans and megafauna, ... Giant ground sloths like these went extinct some 11,000 years ago — near the end of the Ice Age — possibly ...

A cooling, drying climate turned sloths into giants – before humans potentially drove the huge animals to extinction. Today’s sloths are small, famously sluggish herbivores that move through ...

Recent studies have supported the idea that human expansion at this time was responsible for the demise of other large megafauna, such as mammoths. Ground sloths rapidly went extinct around 15,000 ...

What does your research tell us about human interactions with giant ground sloths before their extinction? We know that the extinction of megafauna, in South America at least, was around 10,000 ...

The megafauna, both the giant armadillos and giant sloths, must have "developed an absurd strength in their arms" to be able to cut through rock and tough sediments that even a pickaxe would ...

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 ...

SANTA CRUZ, Calif. — During the last ice age, known as the Pleistocene, Santa Cruz County was a wild place populated with ancient humans and larger-than-life creatures, or megafauna, such as ...

Sloths weren't always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge - up to 4 tons - and when startled, they brandished immense claws. For a long time, scientists ...

The fossil skeleton of the giant ground sloth, Megatherium. Florilegius/Universal Images Gro Last summer, archaeologists in Iowa unearthed a 13,000-year-old mastodon skull.

SANTA CRUZ — During the last ice age, known as the Pleistocene, Santa Cruz County was a wild place populated with ancient humans and larger-than-life creatures, or megafauna, such as mastodons ...

New research painted a more accurate picture of the megafauna that spread widely around the Americas before they went extinct. By Jeanne Timmons Ground sloths emerged in South America tens of ...

The idea that humans were the death blow for ancient megafauna is well-supported, says Thaís Rabito Pansani at the University of New Mexico, who wasn’t involved in the study. “However, in ...