Megan Fox made a rare appearance on Saturday night in a bloody optical illusion dress. Fox turned heads in a sheer, hip-high ...

What you see first in this optical illusion — a face or a cat — reveals how your mind works and what kind of personality ...

Duping a guppy is easier than duping a ring dove — at least when it comes to a classic optical illusion.

Dr Maria Santacà describes how not only how fish and birds perceive their worlds, but also how ecological pressures shape the ...

This tricky illusion hides a single golden “30” among a sea of identical “80s.” Can you spot it within 5 seconds?