A boomerang discovered in a Polish cave was originally dated as 18,000 years old, but it may have been contaminated by ...

Ancient Polish ‘Stonehenges’ remain a mystery 25 years after discovery. What we know By Moira Ritter. May 23, 2023 4:36 PM. The structures date to the Neolithic period, Polish experts said. ...

About 25 years ago, the first Polish “Stonehenge” was discovered. Now, experts know of more than 20 of the mysterious Neolithic structures.

Research is underway to learn more about the origins of medieval sword found earlier this month at the bottom of a Polish river, which some experts believe may have belonged to the Vikings.

Ancient Polish ‘Stonehenges’ remain a mystery 25 years after discovery. What we know By Moira Ritter. May 23, 2023 2:36 PM. The structures date to the Neolithic period, Polish experts said. ...