In the desert areas of Namibia, Oman, and Saudi Arabia, research work has revealed unusual structures that are probably due ...

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

For most organisms on Earth, rocks are objects, not food. But for one oddball microbe, desert limestone seems to have been on ...

While we juggle coins, notes, cards, online payments and more, this tiny island continues to use rocks as big as humans! , ...

"We look at the structure of the rocks to find out how continents came ... field work in Oman and in Saudi Arabia -- in Oman in limestone, while in the Saudi Arabian desert they were in marble.

Authorities are currently investigating the cause of a sinkhole in Seoul, South Korea, after a man on a motorcycle fell in ...

A motorcyclist died after he fell into a sinkhole in the South Korean capital, authorities said Tuesday, in the latest such fatal incident.

Pets, drones, alcohol and the collection of plants, animals, limestone rocks and other natural resources are prohibited.

Deep below Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.