An curved arrow pointing right. Scientists have a new theory why human women might have had trouble breeding with Neanderthal men around 40,000 years ago. Produced by Brad Streicher. Original ...

Two new studies have helped narrow down the time during which Neanderthals interbred with modern humans to a period starting ...

A pair of new studies sheds light on a pivotal but mysterious chapter of the human origin story, revealing that modern humans and Neanderthals had babies together for an extended period ...

Two new studies have helped narrow down the time during which Neanderthals interbred with modern humans to a period starting about 50,500 years ago and lasting over seven millennia. One of the ...