This is not some DVD floating in space. It's a megastructure that might one day become humanity's home. The Earth might not ...

The pyramids of Egypt have never lacked for mysteries, but a new wave of research is reframing them as part of a vast ...

Humans have long been obsessed with building big, and as the world strives to combat climate change, megastructures may hold the key to a more sustainable future.

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Istanbul, Turkey (CNN) — Whether you’re a believer or not, visiting Hagia Sophia is a spiritual experience. The architectural genius of this place of worship — which was built as a church in 537CE ...