A vast, geometric feature buried beneath the Pacific Ocean is forcing scientists to rethink what they know about Earth’s deep past. Early mapping suggests a colossal, plateau-like structure near ...

New Delhi: A bold new claim is stirring up fresh mystery around Egypt’s Giza Plateau. An Italian researcher now says there could be a second Sphinx buried under the sand, and the idea is already ...

Excavations in the hills of northeastern Romania have unearthed one of the world’s oldest known megastructures, a massive ...