Some animals have extraordinary abilities, and this one takes it to the next level—sleeping while running! Discover how this ...

The ostrich may have a goofy appearance, but in this amusing video, an ostrich runs right behind a group of cyclists like a velociraptor!

For pet and lab mice, running wheels are a common feature, often used to encourage exercise. However, some scientists have argued that mice only run on these wheels because they live in cages and that ...