An archaeological find in Mexico revealed a stone slab with 123 hieroglyphic symbols that, in part, describe the founding of ...

Fossils are so common in Pennsylvania Bluestone that Glass often points out prehistoric plant fragments and ancient tide ...

A mysterious stone slab engraved with Nordic runes has been discovered deep in the Canadian wilderness, puzzling ...

The stone is a little rough from the effects of atmospheric decomposition, and, of course, the hundredth of an inch is hardly to be depended upon in these measures. Nature - The Secular Bending of ...