Genetic diversity is essential to the survival of a species. It's easy enough to maintain if a species reproduces sexually; an egg and a sperm combine genetic material from two creatures into one, ...

Sexual reproduction is the production of a new organism from two parents by making use of their sex cells or gametes. In this process male gametes fuses with a female gamete to form a new cell called ...

Ads. Tinder. "Game of Thrones." Flowers in a garden. But just because we see it everywhere doesn't mean that we can definitively explain why it's everywhere. Sexual reproduction is a costly endeavor: ...

"Female mosquitoes have to carefully manage energy and nutrients to produce eggs, and if that process is disrupted, ...

A University of Michigan-led study based on a review of genetic and health information from more than 276,000 people finds strong support for a decades-old evolutionary theory that sought to explain ...

Scientists in Japan are at the forefront of one the most controversial areas of biomedical research: creating sperm and eggs in the laboratory from practically any cell in the body. Well, it's not ...