If humanity’s future really is in the stars, what will that mean when it comes to, well, making more humans? As a number of ...

New research from the University of Liverpool illustrates how accelerated reproductive ageing in females (e.g. early puberty or early menopause) is linked to experiences of mental health challenges.

Older male rhesus monkeys sire fewer offspring, even though they appear to be mating as much as younger monkeys with similarly high social status. Sperm quality or quantity, or the survival of infants ...