At Puig Castellar, isotope analysis revealed that three of the four individuals differed from the local strontium reference, suggesting they were probably not from the local community.
Decapitation may be part of a pattern of ritual killings during the Iron Age period.
Archaeologists in Poland uncovered 26 iron objects made from a single meteorite.
"Violence is a particularly common theme for later prehistoric human remains from watery places," said the head researcher.
Some old Scandinavian writings trace kings back to Christ’s birth, once dismissed as mere tales—but perhaps there’s truth in them.
'There are less than 10 Iron Age helmets in Britain and every single one is unique,' said Julia Farley, Iron Age curator at the British Museum.
Researchers have uncovered genetic evidence suggesting that ancient Celtic societies in Iron Age Britain were matrilineal and matrilocal, with women holding status and influence.
The demand for Iranian Iron Age weapons began after a large cache of bronze and iron weapons was discovered in the western Iranian province of Luristan in the late 1920s.
Archaeologists in Pryssgården, southern Sweden, uncovered an Iron Age burial site with around 50 graves.