This rare black seadevil captivated social media with its mysterious journey to the surface—before vanishing forever.

Any animal’s eye color is determined by its levels of two melanin pigments: eumelanin, which makes brown-black, and ...

Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like ...

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

For those with ambitious reading goals in 2025, here is a list of four non-fiction books and five fiction books coming out in the first half of this year. Whether you’re looking for a cozy read during ...

Red is the rarest hair color, but to understand why that’s the case, you need a basic grasp of the science. There’s a lot ...