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 ...

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 ...

Sloth bears are the world's deadliest bear. As their habitat shrinks, India's forest communities are finding ways to co-exist with them. For the tiger, it must have felt like easy prey: a female sloth ...

“The Masked Dancer” semifinals kick off Wednesday with an episode featuring the remaining four contestants — Tulip, Sloth, Cotton Candy and Zebra — one of whom panelist Ken Jeong thinks is a handsome ...

At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched equid. Here’s why.

A recent publication by U.S. media outlet Salon pointed out that Costa Rican sloths might be in danger due to potential genetic alterations caused by harmful agricultural practices. Salon, dedicated ...

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 ...

Valentino, a Linnaeus’s two-toed sloth, is fed by trainer Christa Gaus during the media day at the National Aviary on Friday, June 17, 2016, in Pittsburgh. The young sloth weighed just over a pound at ...