The optical illusion occurs because people are used to interpreting shadows as coming from an overhead light source. But that's not necessarily the orientation of spacecraft. In many satellite photos, ...

A cat is hiding in plain sight—can your sniper eyes detect it? Test your vision with this viral optical illusion that’s ...

An optical illusion has been circulating online that claims to be able to tell you something about your personality based on ...

A viral photo featuring a waterfall and a hidden bear face sparks a debate on social media, suggesting that the initial ...

As one of the abstract styles developing in the 1960s, Optical illusion (or Op) Art features games of lines and geometric shapes in both black and white—like in the case of Bridget Riley, Jesús Rafael ...

This article presents an optical illusion that reveals your approach to love. Whether you first see a kissing couple, a ...

Artists and scientists have been creating optical illusions for centuries. Here are 35 mind-bending examples that prove you ...