Reproduction in the animal world can be complicated at the best of times. But far from the flashy birds or mammals competing for mates, a new study has revealed that, in the case of some flatworms, ...

Two supposedly asexual species of stick insects may engage in occasional bouts of sex, helping to widen their gene pool and avoid harmful mutations. A handful of animals reproduce asexually, primarily ...

Lucinda Aulsebrook does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...