Today’s optical illusion challenge is all about a tricky brainteaser that needs you to spot the hidden number 23 among the colourful red and green rows of 42 and 43. This visual puzzle tests your ...

How much difference is there between AI art and human art, really ... that Jerry Saltz in 2025 was trying to make sense of the world of AI and what it was doing to visual culture?

NASA’s Perseverance rover has detected the first aurora at Mars that's visible to the human eye, good news for future astronauts who can savor the view on the red planet. European and U.S ...

The human eye represents one of the body’s most complex ... and connection with our surrounding world throughout life. Responding appropriately to visual warning signs helps preserve this ...

Scientists believe this discovery enables forecasting of auroras on Mars, aiding in space weather studies and enhancing the prospect of human-visible displays.

An icon of a traditional telephone receiver. An icon of a tick mark. An icon of a human eye and eyelashes. An icon of a human eye and eyelashes with a diagonal line through it. A two-lined pause ...

An icon of a traditional telephone receiver. An icon of a tick mark. An icon of a human eye and eyelashes. An icon of a human eye and eyelashes with a diagonal line through it. A two-lined pause ...

You just need to smile at them more. Not the human way, by baring your teeth, but the cat way, by narrowing your eyes and blinking slowly. By observing cat-human interactions, scientists confirmed ...

It may seem remarkable, but significant evidence shows that humans could learn this sound-based “superpower” with some practice.

Visual illusions are images that have tricked the human eyes and brain for a long time. These illusions can fool even the most observant eyes. Visual illusions have become popular on the internet ...