Far below the waves off western France, divers have mapped a vast Stone Age wall that has survived since around 5000 BC, a ...

A vast orbital megastructure circles Earth in a vision of planet-scale engineering, as this documentary explores bold sci-fi ...

Mantle plumes beneath volcanic hotspots, like Hawaii, Iceland, and the Galapagos, seem to be anchored into a large structure within the core-mantle boundary (CMB). A new study, published in Science ...

Spanning an area comparable to an entire European country, these ancient megastructures shows a level of organization that ...