Hidden inside the British Museum are artifacts that raise uncomfortable questions about ancient technology. Among the most mysterious are thousands of stone vases carved from extremely hard rock.

Rising abruptly from the lush, untamed jungles of southeastern Venezuela, Mount Roraima is a geological behemoth that defies logic. With its perfectly flat plateau and sheer, vertical cliffs plunging ...

Ancient stone carvings have long captured the imagination of historians and enthusiasts alike, with some suggesting these artworks depict aircraft-like machines. The presence of such carvings in ...

A huge stash of reddish minerals from a cave in Ethiopia shows how Stone Age people gradually adapted their technologies and practices over a 4500-year period. “It’s one of the rare sites where we can ...

The origins of writing in Mesopotamia lie in the images imprinted by ancient cylinder seals on clay tablets and other artifacts. A research group from the University of Bologna has identified a series ...

The remains of a furnace used for heat-treating stone tools at the Xinmiaozhuang site Photo: Screenshot of a report released ...

Magnetic rocks with iron oxide concentrations act as natural chroniclers of Earth's past continental movements. Using small samples of rocks, scientists can isolate magnetic grains that were frozen in ...

WASHINGTON (AP) — Ancient stone tools found in western Ukraine may be the oldest known evidence of early human presence in Europe, according to research published Wednesday in the journal Nature. The ...