Geologists examine a massive fissure in Arizona and find that may have existed way before it caught public attention.

Most slabs-on-ground are unreinforced or nominally reinforced for crack-width control. When positioned in the upper or top portion of the slab thickness, steel reinforcement limits the widths of ...

With the formation of this ocean, Africa's map will be redrawn, and its ecosystem will undergo demographic changes.

Vents may consist of a single, circular-shaped structure, a large elongated fissure or fracture (as seen on the diagram above) or a tiny ground crack. Nyiragongo is notorious for releasing large ...