These incredible optical illusions will have you rubbing your eyes and second-guessing yourself! Click through this gallery ...

Challenge your visual acuity with this engaging hidden number puzzle. Readers are tasked to locate a concealed digit within a ...

Optical illusions like this one to find a hidden number exploit your visual processing system and brain's ability to make assumptions in the absence of complete information. But if you possess sharp ...

Hidden letter and number optical illusions are fun because they look easy at first. But once the timer starts, the brain ...

Do you enjoy quick brain challenges that test your focus and patience? Then this optical illusion is made for you. At first ...

Optical illusion challenge: Optical illusions have become a viral trend on social media, and it's easy to see why! These clever brain teasers aren't just entertaining to look at; they also test your ...

There's plenty to look forward to in Greater Manchester this year from gigs and shows to new restaurant openings, and here's ...

Britain's UFO history includes Rendlesham Forest, Lakenheath radar mysteries, Warminster's eerie vibrations, and Yorkshire's ...

East of the Caspian Sea, the Mangystau region of western Kazakhstan is full of history and light on American travelers.

Richard Roth Jr. was undoubtedly a people person. While he was proud of the work he did, he was also delighted by the ...