A new study by Dr. Margherita Mussi, published in Quaternary International, highlights how naturally occurring basalt spheres ...

Researchers working in Marbella have uncovered a gabbro rock carving of manmade lines that could date to 200,000 years ago.

Sharp stone technology chipped over three million years allowed early humans to exploit animal and plant food resources, ...

And of course, with a piece of this scale, the carving is done industrially at a big stone fabricator facility and requires diamond tools and water and everything, to do it efficiently. I had to find ...