The fish trap was placed deep inside a dark tunnel where few people ever look. Bread bait was left inside while the trap sat quietly underwater for hours. When it was finally pulled out, something ...

Emperor cichlids, large fish native to Lake Tanganyika in Africa, don't like being stared at, especially if someone's gaze is directed at their offspring. Those are the findings of a new study ...

Speciation is the process by which a single species gives rise to two daughter species, which are genetically distinct and eventually unable to interbreed. Speciation can occur as a result of factors ...