Today’s optical illusion is challenging viewers to find a hidden "5" among a sea of "2s." The tricky pattern plays with human perception, making it hard to spot the odd number. Can you find it?

Damage to an underwater fibre optic cable in the Baltic Sea, running from Ventspils in Latvia, to the Swedish island of Gotland, was detected last Sunday. Image: Pic: Reuters "It is suspected that ...

neither Earhart’s remains nor the wreckage of her plane have ever been located – with the latest million-dollar expedition by Tony Romeo and his Deep Sea Vision team debunked in November.

At its Unpacked event, Samsung showed off its upcoming "Project Moohan" AR/VR headset, which is designed to compete with the Vision Pro. Some users might even mistake the headset for a Vision Pro ...

Researchers studying crustaceans in Vietnam have identified a new "supergiant" sea bug species that bears a surprising resemblance to a classic movie villain. Deep-sea sea bugs, or the Bathynomus ...

Last month, an 18th-century 28-meter wooden shipwreck was discovered off the Mazandaran coast of the Caspian Sea in southern Iran ... and deteriorating vision, which they attribute to exposure ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists have ...

New images from the North Sea show never-before-seen landforms that were carved by a single, colossal ice sheet 1 million years ago and subsequently buried beneath a thick layer of mud ...

"For the area of the North Frisian Wadden Sea, there are nearly 900 reports of strandings from the period from the 17th century to the beginning of the 20th century," said the spokeswoman for the ...