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 ...

Some fish have bacteria on the brain. Wild and lab-grown members of the salmon family including European rainbow trout, Chinook salmon and Gila trout harbor active microbial communities inside their ...

Two bacteria are sitting near free-floating DNA. Suddenly, one bacterium shoots out a long appendage, latches onto a DNA fragment and reels in its catch. It happens fast, but it’s clear: this organism ...