Learn more about the colorful and shiny stones that were turned into tools as many as 40,000 years ago, which were sometimes ...

Photo: Gregor Bader The Mgwayiza Valley in Eswatini A new study has shown that as early as the Stone Age, people in Africa ...

If you're in the market for a durable, long lasting, and eco-friendly material for your kitchen countertops, we've got a ...

Natural cement found in industrial waste reacts with ocean water to form rocks in just 35 years, instead of millions.

Modern objects stuck in the lithified slag, such as a King George V coin from 1934 and an aluminum can tab from no earlier than 1989, substantiated the team’s dating of the material.