For years scientists assumed that sloths don't fart — believing the methane produced by their slow digestive system was simply absorbed into their bloodstreams and breathed out through their mouths.

They just like to take it all in. When it comes to physical activity, few animals have as maligned a reputation as the sloth. The six sloth species, which call Brazil and Panama home, move with no ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...

The largest sloth of all time was the size of an elephant. Known to paleontologists as Eremotherium, the shaggy giant shuffled across the woodlands of the ancient Americas between 60,000 and five ...

The apparent docility and friendliness of “smiling” sloths have made them tourist darlings, but have also put a target on their backs. The rise in trafficking of these animals led the governments of ...

Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly featured on children's backpacks, stationery and lunch boxes—are slow-moving ...

Many thousands of years ago, the Sarasota-Manatee area was home to a diverse mix of now-extinct mammals—most notably, saber-tooth cats, mastodons and giant ground sloths called Megatherium, which ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Everybody loves sloths, and whenever we talk ...

For years, it's been assumed that sloths don't fart. But new footage of a baby sloth letting rip in a water bath has shown that, contrary to popular belief, these tree-dwellers are actually incredibly ...