Polish officials recently announced the discovery of an unusual alien-like clay head, which dates back to the Ubaid period of ancient Mesopotamia. Pottery was also found at the site.

Wood protruding from the sand in two countries led to major archaeological discoveries ... Published Jan. 13 | Read More | Ancient secret labyrinth — thousands of feet long — uncovered ...

The rare find, which was discovered at Stevns Klint, a coastal region off the Baltic Sea, reveals ancient predator-prey ...

The story of the team’s incredible discoveries ... These strange Cambrian creatures, which quickly evolved all sorts of odd solutions to surviving the ancient and deadly seas, eventually pushed ...

A strange alien-like clay head dating back thousands ... The press release called the artifact "one of the most remarkable" discoveries of the excavation, describing it as a "small, finely crafted ...