A colony of Humboldt penguins, a rare okapi calf and a critically-endangered, cotton-top tamarin baby are among the new arrivals totted up in the annual stocktake at a Hampshire zoo. Marwell Zoo ...

Optical illusions, once attributed to the supernatural, are now understood as tricks of visual perception. This article ...

Their newest giraffe unexpectedly gave birth to a female ... Greedy, a beloved African Penguin who helped to rebuild the species' population in zoos across North America. Mr.