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 ...

When it comes to slow motion, some creatures have truly perfected the art of moving at a crawl. Among the top contenders are the three-toed sloth, the Galápagos tortoise, and the banana slug, each ...

Here’s your excuse to sloooooowwww dowwwnnnn this Friday: It’s International Sloth Day. To celebrate the holiday, we compiled 9 things to know about the sluggish tree-dwellers, according to the World ...