Can a puppy break the internet through simply being himself? Apparently so particularly if he appears to have just walked ...

Note: Content may be edited for style and length. Journal Reference: Lewis G. Halsey. Do animals exercise to keep fit? Journal of Animal Ecology, 2016; DOI: 10.1111/1365-2656.12488 ...

For some animals, maintaining fitness comes at little to no effort. Polar bears and penguins burn different tissues while fasting, the researcher points out, not from doing voluntary exercise.

Round and round Animals, such as pet hamsters, really do enjoy exercise wheels, suggests a new study that found most small wild creatures voluntarily use the wheels when they encounter them. The ...

A bittersweet cartoon showing Steve Irwin welcoming the animals killed in the raging Australian bushfires has left a touching impression for many on the internet. The cartoon, posted on Facebook ...