Tens of thousands of years ago, Homo sapiens coexisted with Neanderthals, Homo neanderthalensis. Many of us living today ...

Our brains are large compared with other animals, so it is tempting to assume there was an evolutionary advantage to them – ...

We're honoring America's 250th anniversary by rounding up the most life-changing medical inventions from right here in the USA. In our modern lives, it’s hard to imagine surgery without anesthesia, ...

Scientists say they have built a cell from scratch for the first time that feeds, grows and replicates like a natural cell, a ...