Scientist He Jiankui will likely go down in history as the first human to genetically engineer another living person. He has now been fired. Thanks to his unethical behavior, genetic engineering ...

A new genetic study has shifted the way scientists describe the origins of modern humans. For many years, the simplest explanation was that Homo sapie.

As they roamed around Europe and Asia between 400,000 and 40,000 years ago, Neanderthals had some hallmarks of humanity, including culture and organized social structures. But did they have language?