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, ...

Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

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 ...

AMH versus AFC in women with cancer: an abstract from the 2026 Annual Congress of the International Society of Gynecological Endocrinology.

Too often, the word "natural" is attached to phenomena such as the conception of a child through heterosexual intercourse or the vaginal birth of a child. Certainly, these two examples represent ...

New research from the University of St Andrews published in Current Biology, has shown that the role of age in male humpback ...