Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. When you look at an object that's very distant from you, how well can ...

Motion perception, particularly in three dimensions, is a fundamental aspect of human visual processing that enables the interpretation of dynamic environments. The brain combines multiple sensory ...

A praying mantis depends on precision targeting when hunting insects. Now, scientists have identified nerve cells that help calculate the depth perception required for these predators’ surgical ...

An optical illusion is a puzzle in which the image in front of you possesses a different perception. These illusions are ...

Our perception of how large or small things are in the world is systematically influenced for how we perceive distance or depth. This is most famously shown by the Ponzo Illusion (discovered by Mario ...