Our human ancestors roamed the Earth 6 million years ago. However, where is the earliest site containing archaeological evidence of their existence?

The candidates make the Giza pyramids and Stonehenge seem young.

A crop of companies want to make sperm-freezing a routine procedure for young men, as employers start to offer it as a benefit.

Less than half of all societies kiss with their lips, according to a study of 168 cultures from around the world.

From '70s bushes to bald as a badger, these are the era-defining styles down there.

Lip-on-lip kissing is not nearly as universal as we might think it is, so can the diverse number of ways that humans kiss reveal what it is about this intimate act that we find important?

Less than half of all societies kiss with their lips, reported British Broadcasting Corporation (BBC), quoting a study of 168 cultures from around the world.

The science behind the idea of restoring the intestinal microbiome to an ancestral state is shaky, skeptics say, and in some cases unethical.

Honey is made by bees, and because we typically associate its image with peaceful, pastoral beekeeping, the question of whether or not honey is vegan is often one that will get you different answers, depending on who you ask. So, what’s the buzz, is honey vegan?

Homo sapiens, commonly referred to as Homo sapiens sapiens, is a highly intelligent species of primate that includes all living humans.

Modern humans, or Homo sapiens, are the only living Homo species. But we haven't always been alone.

Our gut and oral microbiome can have a big impact on our day-to-day health, but how have these microbial communities evolved over time and what can research into the genetics of ancient samples tell us about the modern microbiome?