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.

Recent research from the UK Biobank shows that menopause is linked to adverse mental health outcomes and lower brain volume.

Evolutionary theory has revolutionized the way we understand humans – yet more than a century after Darwin's ideas reshaped biology, the female form of our species remains largely a mystery.

These results are preliminary, but they could eventually improve ovarian health and fertility in women, researchers say ...

Little Foot” is the most complete Australopithecus fossil ever found. And now we finally have an idea of what this group of ...

Male hormone levels maintain day-to-day stability while female hormones experience continuous changes throughout both the menstrual cycle and various life stages.

New research reveals that ancient interbreeding between humans and Neanderthals shaped our modern human DNA - especially on the X chromosome.

On04, Lee Boyd Malvo, 19, was sentenced to life in prison without parole for his role in 10 Washington-area sniper killings ...

In Lake Malawi, hundreds of species of cichlid fish have evolved with astonishing speed, offering scientists a rare opportunity to study how biodiversity arises.

The Trump administration has taken many steps—some of them truly unprecedented—to advance pro-life policies, both ...

Tests in Germany show children and teens are contaminated with banned plasticizers. The use of certain plasticizers has been banned or severely restricted in places like the EU, US, Canada and Japan, ...

A new study sheds light on the illuminating, sometimes counterintuitive dynamics of mating and how species survive.