Over the course of our long, complicated evolutionary history, humans have seen our brains triple in size, now weighing in at roughly three pounds on average. At some point along the way, humans ...

Men holding high positions within a hierarchical organisation have more offspring than those in other positions within the same organisation. This unexpected result, published this week in Ethology, ...

New research reveals the presence of microplastics in human reproductive fluids, raising important questions about their potential risks to fertility and reproductive health European Society of Human ...

About 70,000 years ago in Africa, humans expanded into more extreme environments, a new study finds, setting the stage for our global migration. By Carl Zimmer Geography is one of the things that sets ...

Having a long and healthy life is a goal for most people. Many of us want to achieve our dreams, travel, retire leisurely, and watch our children grow up — if we choose to have some. However, life is ...