There's never a shortage of weird and wonderful historical theories that leave us scratching our heads. Pyramids not built by humans? Been there. Hidden chapter in human evolution? Done that. But ...

Further research could determine the depth of these voids and confirm that they really do indicate a hidden entrance.

Scientists who claimed earlier this year to have found a massive subterranean city under the Pyramids of Giza now say they have unearthed a second city. The team of Italian researchers, who claimed ...

Scientists have made a huge breakthrough in understanding one of Egypt's most famous pyramids, by discovering 'an important finding in Giza' ...