Explore the best of fantasy and sci-fi in depth, with analysis of the worlds of Lord of the Rings, Game of Thrones, The ...

A new discovery has unraveled why we sometimes see colors that aren't there. The phenomenon of "color afterimages" is when ...

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.