Researchers say sloths aren't lazy, they're just "energy efficient." (Photo illustration: Yahoo News; photo: Getty Images) Magill says that by examining these “lazy behaviors,” humans might learn how ...

This heartwarming clip shows a newborn sloth clinging to its mom, offering a glimpse into sloth parenting and conservation success.

Sloths, the world's slowest mammals, have evolved over 64 million years into a species that thrives throughout Central America and northern South America, but climate change and human sprawl could be ...

They’re slow, they're sedentary and they like to sleep. Sloths are widely known as the world’s laziest animal but are they getting a bad rap? NBC’s Stephanie Gosk gets up close and personal with ...

People expect sloths to behave like other tree-dwelling animals. Their body temperature changes with the environment, and ...

Engineers regularly swipe nature's best designs for machines that humans can use. Animals are the result of thousands of years of evolution, generally giving them sleek and enviable designs. But in ...

This episode of the Inside NATURE podcast is all about sloths–perhaps the strangest group of creatures evolution has ever produced. While other species get ahead by being the fastest, the biggest or ...

The Tulsa Zoo is home to thousands of animals, but some of the most popular residents may be harder to spot during a visit.

Graduate Research Assistant Gennaro Notomista shows the components of SlothBot on a cable in a Georgia Tech lab. The robot is designed to be slow and energy efficient for applications such as ...

Sloths are notoriously slow. Living in rainforests in Central and South America, sloths spend most of their time hanging upside down in the trees, rarely coming down to the ground. There are two main ...

Shelby A. Ryan receives a Vice-Chancellor’s PhD Training Priority Scheme Scholarship from the University of Newcastle. Her PhD project receives funding from WWF-Australia and Taronga Conservation ...