Mysterious tunnels in desert rocks may be the work of unknown microbes, hinting at a hidden world inside marble and limestone ...

Right now, the easiest place to find red-marble houseware is CB2; I love its red-travertine side table and skinny I-beam side ...

In the desert areas of Namibia, Oman, and Saudi Arabia, research work has revealed unusual structures that are probably due to the activity of an unknown microbiological life form. Unusually small ...

The luxury stone comes the Apuan Alps, a mountain range in northern Tuscany that stretches for 58 km and reaches 2,000 meters high. Marble has been carved here since the Ancient Roman times ...