Researchers uncover the physics behind snakes that rise nearly straight up and balance on narrow perches with surprising efficiency.

Snakes may be best known for slithering. But consider that these animals also perform one of the most extreme feats of posture control found in nature: They can stand nearly straight upright on a ...

While in the upright position, the sun bear at the Tha Lat Open Zoo in Nakhon Si Thammarat, Thailand, appears to wave and nod at guests A video showing a Malayan sun bear standing upright in a Thai ...

Snakes are best known for slithering, but some species can also lift large portions of their bodies off the ground—rising ...