A species that transports the spermatia of red algae is the first known instance of an animal facilitating fertilization in this ancient photosynthetic lineage.
A study finds that roots grow deeper than typical into southeastern pocket gophers tunnel networks, raising the possibility that the rodents cultivate their food.
The identification of the transcription factors that elicit oocyte growth will aid reproductive biology research and might help women with fertility issues, scientists say.
Differences in the replicative advantages conferred by some mitochondrial DNA haplotypes have implications for mitochondrial replacement therapy, researchers report.
Scientists report for the first time that a snail’s seminal fluid proteins can suppress the mating success of the male side of its hermaphroditic partner.
The oviducts of pigs exhibit different gene expression profiles depending on their exposure to sperm with either an X or a Y chromosome, a study shows.
Irradiated sperm of young male mice induce mutations in eggs upon fertilization, a phenomenon that may pose risks for the children of cancer survivors.