Stone Age humans mastered fire technology during Earth’s harshest climate period 23,000 years ago, creating hearths that reached temperatures of 600°C—comparable to modern campfires.

The researchers believe that Neanderthals, an extinct species of human known to have lived in that area as far back as 125,000 years ago, smashed the marrow-rich bones into fragments with stone ...

Is your knowledge of the Stone Age rock-solid? Archaeologists often break up this lengthy time span into three periods — the Paleolithic (3.3 million to 12,000 years ago), the Mesolithic (12,000 ...