A slab-on-grade foundation is a concrete pad poured directly on the ground to support a house, offering a durable and ...

Claudia Steffensen was hiking in the Italian Alps last summer when she stepped on a rock that caught her eye. "It seemed more ...

Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of ...

The annual trade show in Bologna, Italy, highlighted state-of-the-art technology—such as 3D-printed textures and through-body ...

Appealing to collectors of Earth's ancient treasures, Heritage Auctions is selling rare meteorites, fossils, and gemstones.