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 ...

Scientists retrieved proteins from six teeth unearthed in China that reveal a potential link between Homo erectus and later ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Although only one species of hominin (a tribe of the subfamily Homininae) exists on the planet today—good ...

When researchers in China announced a possible new human species from a cave in Hebei province, they did more than add another name to our already crowded family tree. They introduced a population ...

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 ...