When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Nastynice1 via Reddit A supposedly 3D optical illusion has been posted online and is ...

Forget the black and blue dress – this photo of an assuming building is the latest image to demonstrate just how sophisticated our brains are at viewing the colours we see around us. The strange ...

There are countless types of optical illusions, from the cognitive to the physiological, testing our minds in ways that appear to defy logic. The latest example bewitching the internet is this simple ...

While circling Mars in 1976, NASA’s Viking 1 spacecraft took pictures of its surface. One image created quite a bit of controversy: It’s impossible not to immediately see the pattern on the image.