Long before the famous Great Pyramid of Giza was built, ancient Egypt went through a massive architectural evolution. In this ...

A group of researchers have identified at least seven stars that might be surrounded by advanced alien mega-structures known as "dyson spheres." NBC News' Ellison Barber speaks with Janna Levin, a ...

Across the world, archaeologists keep stumbling on structures so old, so large and so technically sophisticated that they seem to have no right to exist in the eras that produced them. From submerged ...

Archaeologists working at the ancient settlement of Stăuceni-"Holm" in northeastern Romania have uncovered a mega-structure measuring 350 square meters dating back about 6,000 years. This is one of ...

In Botoșani County, Romania, a team of archaeologists uncovered a monumental mega-structure dating back 6,000 years. This discovery challenges our basic ideas about how human societies developed.