A groundbreaking new study has revealed that a carved mammoth tusk boomerang, discovered in Obłazowa Cave in Poland, is far older than initially believed. Dating back over 40,000 years, this artifact is not only the oldest boomerang found in Europe but could also be the oldest in the world.

A boomerang discovered in a Polish cave was originally dated as 18,000 years old, but it may have been contaminated by preservation materials. A new estimate suggests the mammoth-ivory artefact is 40,

The ancient boomerang wasn't found alone; it lay alongside a human phalanx—a small bone from either a finger or a toe.