Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.

Get ready to be amazed by our new video, "Mind-Blowing Optical Illusions That Trick Your Brain." We'll show you optical illusions that play tricks on your mind, like shapes that don't make sense and ...

Optical illusions may make you feel like a fool, but you could be able to train your brain to resist them. “It is very likely that people from the general population have the capacity to be trained to ...

Everyone loves an optical illusion — even if they leave us completely stumped — and they're all around us in the natural world. From an underwater waterfall in the Indian Ocean to a surrealist scene ...