Archaeologists in Romania have uncovered portions of an ancient megastructure from around 6,200 years ago. The oak-floor ...

On a low rise above the Prut River in northeastern Romania, buried beneath centuries of farmland, a massive prehistoric ...

The finding relates to the Cucuteni-Trypillia culture that thrived around 5,050-2,950 BCE.

There are three ways to look for evidence of alien technological civilizations. One is to look out for deliberate attempts by them to communicate their existence, for example, through radio broadcasts ...