Many people just found out that flashlight fish exist, thanks to the viral tweet below. The glowing fish have lights under their eyes that blink on and off. But it turns out that there’s even more ...

This creature may have the look of a mythical monster, but it's actually 100% real, and it's baffled even marine experts Get daily headlines and breaking news alerts for FREE by signing up to our ...

National Geographic Explorer David Gruber was studying coral while diving at dusk off an uninhabited volcanic island in the South Pacific in 2013 when fellow explorer Brennan Phillips swam up to him ...

Well-camouflaged, neutral-colored fish may appear drab to the naked eye, but many actually live secret lives cloaked in flamboyantly bright colors visible only to other fish, new research suggests.