More than 25 years ago, as an anxious freshman at a small, private, liberal-arts college in the Midwest, I sat stoically in front of a midterm exam in introductory geology. The course had been ...

Tower Rock, a limestone formation in the middle of the Mississippi River, is newly accessible by foot. The destination is now popular with tourists, the Missouri Department of Conservation said. The ...

If you look closer at the building stones, tiles and pavements of the big city, you can find a hidden world of geology and ...

Destruction of the abbey of Saint-Martin, Savigny during the aftermath of the French Revolution led to the scattering of its sculptures. Their origins were forgotten. Five such dissociated sculptures, ...

The echinoids are described from the middle Eocene Warley Hill Formation, Santee Limestone, and Castle Hayne Limestone of North and South Carolina. Twenty-seven species are present including the ...

For most organisms on Earth, rocks are objects, not food. But for one oddball microbe, desert limestone seems to have been on the menu. Whether or not this mysterious form of life still exists or went ...