Archaeologists stunned by discovery of human relics in 150,000-year-old rainforest / Archaeologists make incredible discovery from 250,000 years ago that could rewrite history / Archaeology breakthrough as prehistoric engravings reveal behaviour of early humans / Huge archaeology breakthrough as 'thousands of Stonehenges' found hidden in Amazon / Archaeologists unearth 3,800-year-old bodies in new clue to ancient culture / Assyriologist claims to have solved archaeological mystery from 700 BC / Archaeologists discover prehistoric people had the same piercings as us / Late Prehistoric discovery turns archaeological assumptions on their head