If you ever feel like you can’t stop eating sugar, you are responding precisely as programmed by natural selection. What was once an evolutionary advantage has a different effect today.
Same-sex sexual behaviour presents a paradox: it’s influenced by genes, but how and why do these genes continue to be passed down the generations? One theory is they have reproductive benefits too.
The genus Paranthropus stands out in our human family tree because of their massive back teeth, but new techniques suggest we should throw out the hypothesis they mainly ate hard seeds and nuts.
Each year, more and more people are looking to dating apps to find a partner. And a trove of data from these users is finally revealing what men and women really want.
Researchers unearthed the 105,000-year-old artefacts from a spiritual site in southern Africa. Although far from the coast, the area is associated with stories of a great water snake.
The ancestors of modern-day people living on Southeast Asian islands likely interbred with a prehistoric species called Denisovans - raising the possibility of fresh and intriguing fossil discoveries.
Since the 19th century, biologists have treated the larvae of lampreys as a relic of evolutionary ancestry that could potentially give clues about vertebrate origins. Now fossils overturn that view.
Early humans called Denisovans lived in a remote mountain cave between 100,000 and 60,000 years ago, and possibly longer still, raising intriguing questions about their relationship to modern humans.