Optical illusions are a fascinating type of brain teaser that play with our perception, tricking the brain into seeing ...

It isn't until six weeks that the owlets will truly look like owls, growing tufted feathers on their head. This stage is also when they gain flying and hunting skills. "During tha ...

Professor Lars Schmitz joins WIRED to guide us through a giant tree of life mapping the evolution of eyes in the animal ...

Long-eared Owls have fluorescent feathers that glow under UV light. These hidden pigments vary by age, sex, and size.

Researchers report their discovery of fluorescent pigments in the feathers of Long-eared Owls, that can only be seen by humans with the help of ultraviolet light.