Mexico's Jesus lizard got its name from an unusual ability to run over water on its hind legs, its body semi-erect and its front limbs dangling in the air.
The Los Angeles Zoo has put on display a baby okapi (oh-KAH-pee), a reclusive species that in the wild is found deep in the now-vanishing dense rainforests of central Africa.
Eighth-grade science students have used a 3-D printer to create a prosthetic leg for a duck found without a foot shortly after he hatched.
If you've watched flamingos at the zoo – or if you're lucky, in the wild – you've likely wondered how flamingos manage to sleep standing on one leg.
Engineers at the University of California San Diego have developed the first soft robot that is capable of walking on rough surfaces, such as sand and pebbles. The 3D-printed, four-legged robot can climb over obstacles and ...
Toyota is introducing a wearable robotic leg brace designed to help partially paralyzed people walk.
Soeckchen the secretary bird is now strutting around her home in northern Germany with an artificial leg produced using a 3-D printer.
Paleontologists at the University of Alberta have developed a new theory to explain why the ancient ancestors of dinosaurs stopped moving about on all fours and rose up on just their two hind legs.