The basalt which makes up the Giant’s causeway is an igneous rock. Sedimentary rocks are formed by small rock pieces which are transported by rivers and laid down in layers. Chalk is a ...

The rocks on Earth are constantly changing due to many different ... particles of rock that have been weathered and eroded settle out of slow moving water. Over time, the layers are compressed ...

Ever wonder how Earth scientists examine rocks? We cut them up and throw them under a microscope ... and then everything ...

The Painted Desert isn’t just another Instagram backdrop. Beyond the tourist spots and familiar viewpoints, this 93,500-acre ...