Arguments still rage about how the pyramids were built, but a new discovery has taken giant steps toward the incredible truth ...

The statue was carved from a single piece of limestone, and pigment residue suggests that the entire Great Sphinx was painted ...

The geology of Mount Everest is truly fascinating. The summit is composed of marine limestone, a vivid reminder that this ...

Huge reef systems flourished in the clear, tropical seas—evident today in the many limestone rock formations that date to this period. Previous reef-builders such as bryozoans were joined by ...

Would Krubera take us there? Cutting a jagged path through the limestone of the Arabika massif on the edge of the Black Sea, the “trail” to Krubera Cave drops down a chain of pitches ...

An NT environment group has launched legal action against the government's Mataranka water plan, which allows 62,000 ML/year ...

He’s a slight man, nimbly fitting his frame through the cave entrance, carefully avoiding the sharp limestone roof while navigating the crumbling stone and dirt on the cave floor. He crouches as ...