Biologists are quietly rewriting what it means to be alive, and the human body has become one of their strangest frontiers. Inside our cells and microbiomes, researchers are uncovering entities that ...

Add Yahoo as a preferred source to see more of our stories on Google. Many known hominin fossils defy species classification, with the most famous example being the ever-enigmatic Denisovans. A study ...

Biologists have debated the reason why Homo sapiens evolved a prominent lower jaw, but this unique feature may actually be a by-product of other traits shaped by natural selection ...

Modern human beings are the ultimate apex species, exerting dominance over our environment in a way that no other animal ever ...

(Reuters) -Researchers have unearthed tooth fossils in Ethiopia dating to about 2.65 million years ago of a previously unknown species in the human evolutionary lineage, one that lived in the same ...

Dr. Martin's team is the first to have challenged the species attribution of Little Foot since it was unveiled in 2017. "Our findings challenge the current classification of Little Foot and highlight ...

Long ago, early humans shared the earth with several archaic human species, including Neanderthals and Denisovans. These species, were bipedal and close relatives of modern humans. They lived in parts ...

Human newborns arrive remarkably underdeveloped. The reason lies in a deep evolutionary trade-off between big brains, bipedalism and the limits of motherhood.

Homo sapiens are an awfully vain species. We love to go on about our big brains and our opposable thumbs — and the fact is we wouldn’t be good for much at all without them. But there’s one human ...