An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality.

A pair of koloa maoli, native Hawaiian ducks. Conservationists hope to be able to protect Hawaii’s native, endangered birds ...

State officials are urging caution after a presumptive case of avian influenza has been identified in an ailing duck at the University of Hawaii at Manoa. A student found the duck earlier in the week, ...