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 ...

The glowing light is created by bacteria the flashlight fish hosts in special organs below the eyes, which keep the symbiotic organisms happy, including serving them with extra oxygen through a system ...

Striking images of bright red jellyfish-like lights appearing above storm clouds sparked alien theories before NASA explained the natural phenomenon ...