Scientists reveal the genetic secret behind the thick lips of African cichlids, linked to parallel evolution and proteins.

This small bottom dwelling fish lives on the bottom of lake Tanganyika, and here it employs the grisly tactic of brood parasitism. Once they detect spawning cichlids on the bottom of the lake ...

The cichlid fish in Lake Tanganyika never knew what was coming. How could they? A star from dozens of lightyears away was to blame for what would soon happen. Cosmic rays from a nearby supernova ...