An ancient granite pebble included indentations resembling a face, its nose a red dot. A study says it may have had symbolic ...

Landscaping with rocks goes beyond gravel—experiment with medium and large boulders to add instant drama to your front yard.

“Like a rind on an orange, every sand grain and pebble in these rocks is encased in opal, which cements these particles together to make the ... also be found in rock structures in the nearby ...