Civilizations from Stone Age Scotland to the eighth-century Maya to 13th-century African empires have used dry stone walling ...

A new study from SapienCE reveals that early modern humans at Blombos Cave in South Africa used ochre as a specialized tool ...

They're in the headlines every week—critical minerals like lithium, cobalt, nickel, graphite and the rare earth elements ...

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

Dick Van Dyke’s wife shares statement after actor misses event due to illness Child reportedly fell overboard on Disney cruise. Her dad jumped in after her. Canada rescinds digital services tax after ...

Moss agate—"they're considered a brittle gemstone and they have natural fractures, ... if your ring size is over 7 or your stone is 2.5 carats-plus, go a little wider," Keller said.

In one of life’s most magical moments, as you get down on one knee and present an engagement ring, don’t you want it to do ...

A trip to Zanzibar isn’t complete without a trip to Stone Town, the older part of the capital Zanzibar City. I couldn’t wait to visit this Unesco World Heritage site. This bustling area features a ...

How do I know my stone is an agate? "Agates are sometimes hard to identify, even for the experts," Mary Ann St. Antoine, a senior environmental quality analyst in the Marquette District Office of ...