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?

From a Persian prince to the American “jeweler to the stars,” the world’s largest cut blue diamond has a lengthy history.

In a river of northeastern Brazil, an “armored” creature with “large” eyes paused to rest against a rock. The maze-like ...

A scary-looking creature with “devil” in its name was spotted close to the surface off Tenerife, a Spanish island.