After decades of laboring under other theories that never seemed to add up, a team led by biologist Rama Singh has concluded that what causes menopause in women is men.
If you are a male human, nothing puts a damper on romantic success like having your mother in tow. If you are a male northern muriqui monkey, however, mom's presence may be your best bet to find and successfully mate with ...
Killer whales are just one of three species – we're one of the others - that continue to live long after they've stopped reproducing. But scientists still don't know why these three alone evolved this unusual menopausal ...
The menopause evolved, in part, to prevent competition between a mother and her new daughter-in-law, according to research published today in the journal Ecology Letters.
The hormonal mayhem, reduced fertility and hot flushes experienced by a woman in the run up to menopause may owe to warfare between her own genes, according to a team of scientists working in the United Kingdom and Japan.
Menopause is a downright bizarre trait among animals. It's also rare. Outside of the human species, only the female members of two whale species outlive their reproductive lives in such a major way. Female killer whales typically ...
A study of mortality and fertility patterns among seven species of wild apes and monkeys and their relatives, compared with similar data from hunter-gatherer humans, shows that menopause sets humans apart from other primates.
The evolutionary mystery of menopause is a step closer to being solved thanks to research on killer whales.
Working through the menopause presents a major challenge for millions of women as they struggle to deal with symptoms, according to new research.
Menopause in women and females from a few other "higher" species is probably a fluke of nature rather than evolution at work, according to a study published Wednesday.