Volcanic activity

Physical properties, as well as the flora and fauna of the ocean change with depth.

We can observe quite interesting astronomical phenomena when the Earth, the Sun and the Moon align.

We can come across the remains of the Variscan and Caledonian mountain systems almost anywhere...

In the past, a number of geologists tried to explain why the outlines of continents seem to fit...

The circumference of the Earth has already been calculated in ancient Egypt. The calculations...

On a geological time scale lakes are short-lived.

The phosphorus cycle describes the movement of phosphorus through the lithosphere,...

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.