Einstein, Juan Maldacena, Mark Van Raamsdonk, Brian Swingle and other physicists have pushed modern physics into a place ...

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 ...

Why does the Moon look bigger sometimes? Know the science behind the Moon looking bigger sometimes, including the Moon ...

Most people use the terms “optical illusion” and “visual illusion” interchangeably, much like “fluid” and “liquid” or “sofa” and “couch” are synonyms. At first glance, this might be seemingly pedantic ...

The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...

The article explains why the Moon appears bigger at times, focusing on the Moon illusion and slight distance changes between ...

Finding the hidden number in this zigzag optical illusion in under 21 seconds is a sign of above average vision. Take the test and find out what your eyes are capable of.

Duping a guppy is easier than duping a ring dove — at least when it comes to a classic optical illusion. In the Ebbinghaus illusion, two identical circles placed side by side are each framed by a set ...

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 ...