Videos reveal how a female squid fertilizes her eggs—one at a time and without spilling much stored sperm.

Sex-deprived males seek out alcohol.

Researchers identify a C. elegans gene that leads the organelles to self-destruct in sperm following fertilization of an egg.

Legal expert Henry Greely envisions a world in which advances in biotechnology obviate the need for sexual reproduction as we know it.

This year’s awards honor research on bee stings, appendicitis, kissing, and more.

Female fruit flies challenged with infection during their lifetimes have offspring with greater genetic diversity.

Scientists mutate a mating pheromone and its corresponding receptor in yeast to promote speciation.

A federal advisory panel supports the US Food and Drug Administration’s approval of the first drug for female sexual dysfunction.

A newly described amphibian species engages in internal fertilizations and gives birth to tadpoles.