Pre-Neanderthals once roamed Eurasia around 500,000 years to 250,000 years ago. During the end of that period, pre-Neanderthals slowly began the evolutionary process into early Neanderthals, which ...

Studying human evolution involves piecing together scattered clues about how we survived against tough odds. One of the biggest mysteries is understanding how large or small ancient human populations ...

How a new method of inferring ancient population size revealed a severe bottleneck in the human population which almost wiped out the chance for humanity as we know it today. An unexplained gap in the ...

For years, the Fermi Paradox made one idea seem obvious: in a universe this huge, alien civilizations should be everywhere.