Scientists recently identified peculiar micro-burrows in marble and limestone formations in Namibia, Oman, and Saudi Arabia, ...

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

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

Strange, tiny structures have been found in the rocks around the deserts of southern Africa and the Arabian Peninsula.

The discovery has sparked interest among scientists studying endolithic microorganisms, unknown life forms inside rocks.

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

Calcium carbonate is in eggshells, seashells, a rock called marble, and in antacid tablets like Tums and Rolaids. In this activity, you can use a common liquid to detect calcium carbonate! Cover your ...

You can see what weathered rocks look like in the picture at the ... referring to a process of using calcium carbonate to help balance soil pH levels. He added, "... as calcium silicate weathers ...

In the vast and arid landscapes of Namibia, Oman, and Saudi Arabia, a team of researchers has identified a series of peculiar ...

Limestone is a sedimentary rock created by layers of skeletons ... which is made of calcium carbonate. The calcium carbonate is dissolved in the water as it seeps through to the cave.