The Oropouche virus, dubbed "sloth fever," is spreading fast in popular holiday getaways. It has already been found in a few American patients who returned recently from certain parts of the Caribbean ...

To time how fast a sprinter runs, you just need a stopwatch. To time how fast magma moves, you need to know a little bit ...

While we don’t know exactly how fast Asiatic black bears run, it’s likely closer to that of American black bears. They have attacked humans in places like Japan, which means they can probably reach ...

The San Diego Zoo welcomed a newborn Linné’s two-toed sloth on Feb. 8, the first of its kind to be born at the zoo since June ...

To mark the BBC Radio 4 documentary The Power of Sloth, zoologist and author of Life in the Sloth Lane, Lucy Cooke, unleashes her inner sloth to discover why being lazy could actually be the ...