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

SAO PAULO (AP) — Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons (3.6 metric tons) — and when startled, they brandished immense claws. For ...

The northern and southern maned sloths may look very similar from the outside, but their genomes reveal different stories: The two species have faced very distinct conditions in Brazil's Atlantic ...

Huge tunnels under southern Brazil and northern Argentina were potentially made by giant, Ice Age sloths for refuge and rest ...

BOURNEMOUTH, England (Reuters) - Scientists have uncovered evidence of ancient humans engaged in a deadly face-off with a giant sloth, showing for the first time how our ancestors might have tackled ...

Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons (3.6 metric tons) — and when startled, they brandished immense claws. For a long time, ...

Sloths weren't always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons (3.6 metric tons) — and when startled, they brandished immense claws.Video above: ...