Ancient DNA extracted from a sediment core from a high-altitude Pyrenean lake in Spain reveals that fish may have been added ...

Until now, it’s been very hard for scientists to establish a detailed timeline of the early evolution of bacteria.

Seeing the contents of the fish’s stomachs also allows scientists to understand the behavior of the fish and better piece ...

Fish like roach that migrate between lakes and streams have larger eyes with bigger pupils, improving vision in low light.

A new study in Cell reveals that species living miles beneath the ocean’s surface have independently evolved the same genetic ...

Fish don’t exist. In her novel “Why Fish Don’t Exist,” Lulu Miller points out that a true “fish” clade containing an ancestor ...