There are no potential conflicts between the author of this article and any parties related to the research being reported or the journal in which the study was published. All organisms have been ...

How fast can evolution take place? In just a few years, according to a new study on guppies. Researchers found that guppies introduced to a low-predation environment adapted to their new environment ...

Death doesn't stop some animals from becoming parents, research reveals. A new study shows that female Trinidadian guppies can store and use sperm from males long after the males die. Up to a quarter ...

It turns out color isn't just fashionable for guppies: According to a new UBC study, the more orange a male, the more virile it is. An international team of biologists, led by Wageningen University & ...

Female guppies love a man that sticks out. Or at least they do in the lab. When scientists study the reproduction of the popular aquarium guppy in the laboratory, they often see something called ...

A new study of wild guppies could unsettle a decades-old idea about the role of danger in the evolution of aging. Biologists in the 1950s predicted that in a treacherous habitat, creatures would ...