Historic mine in England; climate change and conflict at Mayapan; indigenous sea gardens; Viking jewelry delivered to Norway museum


19th-century cobalt mine discovered in perfect condition by cavers in England

Researchers point to climate change and sociopolitical conflict as contributing factors to the fall of powerful Maya city

New study underscores the role of “sea gardens” in sustaining indigenous communities for thousands of years

Mysterious haul of Viking Age jewelry delivered to Norwegian museum