M.C. Escher's artwork is a gateway into a world of depth-defying optical illusions, featuring "impossible objects" that break the laws of physics with convoluted geometries. What you perceive his ...

This optical illusion by artist Oleg Shupliak features a sketch of a woman, but there are actually four women hidden in plain sight – but good luck finding them all!

Medical imaging experts are adept at solving common optical illusions, according to new research. The research is the first to show that people can be trained to do better at solving visual illusions, ...

Our pick of the best optical illusions of all time will leave you amazed and confused in equal measure.

Medical imaging experts are adept at solving common optical illusions, according to research from four UK universities, including the University of East Anglia. The correct analysis of medical images ...

Olivier Redon holds up one of his optical illusions that is designed to look like a creature whose eyes and head follow the viewer as they move about, at his home in Portola Valley on June 24, 2024.

Optical illusions are great fun, and they fool virtually everyone. But have you ever wondered if you could train yourself to unsee these illusions? Our latest research suggests that you can. Optical ...

In this Ebbinghaus illusion of relative size perception, the orange circle on the left looks bigger than the one on the right - but it is actually 10 per cent smaller. In a new study, medical imaging ...