Sloths can take as long as one minute to move just 12 inches. It seems like a chill existence, until you consider what a glacial pace means for their pooping habits.

The image starkly depicts the challenges sloths face as humans increasingly encroach on their habitat. All five species of ...

Who takes the crown for the slowest mover on Earth — sloth, turtle or slug? Scientists have finally settled the debate, and the surprising answer might slow you down too.

Sloths hang upside down all day because it is their natural posture, which allows them to access food and save energy.

There are some great animal mysteries on Planet Earth. Where do whale sharks give birth? How did the starfish become a star? How did this mystery circle form? One such mystery is related to one of the ...