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 ...

Long before a teary-eyed Kristen Bell professed her love for sloths on daytime television, catapulting the slow-moving creature into Internet superstardom, the sloth may have been one of the most ...

Conventional wisdom has it that sloths are simple, lazy creatures that do very little other than sleep all day. Even the very name “sloth” in most languages translates to some version of “lazy.” It ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American As I share this with you, it is the ...

Yes, it’s that time of year again when we take a day to appreciate — perhaps worship — the hairy, slow-moving, adorable creatures that are Costa Rica’s virtual mascots. It’s International Sloth Day!