For female guppies, there’s more to life than making babies. A new study finds that guppies experience menopause just like humans and other animals. The study is the first demonstration of menopause ...

As much as a quarter of Trinidadian guppy offspring are sired by dead males. Death doesn't stop some animals from becoming parents, research reveals. A new study shows that female Trinidadian guppies ...

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 ...

Just like humans trying to stick to New Year’s resolutions, guppies have varying levels of self-control, a study has suggested. Researchers from the universities of Exeter and Ghent examined the ...

Male guppies may sexually harass females of another fish species to prevent them from reproducing, researchers suggest. They believe the guppies – which have invaded Mexican rivers and lakes – are ...

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 ...