The pyramids at Giza are usually described as the ultimate building project, millions of blocks stacked skyward by sheer human effort. A growing fringe of researchers and online theorists is now ...

'World’s oldest pyramid' built 25,000 years ago was not made by humans, archaeologists claim ...

Have they finally solved the ancient Egyptians’ pyramid scheme? Aliens might not have built the pyramids — but the ancient Egyptians might’ve had a pretty cool hack nonetheless. A cutting-edge 3D ...

By Will Dunham May 21 (Reuters) - If ever there were a structure built to stand the test of time, it surely would be the ...