The Earth’s magnetic field

Water on Earth is in a continuous state of change. The water cycle includes processes...

This video presents the different stages of coal formation.

The ozone layer filters the Sun´s harmful UV radiation, therefore it is indispensable...

A hydrothermal vent is a fissure in the planet's surface from which geothermally...

Climate is the typical weather of a certain region that changes practically only on a...

Mercury, Venus, Earth and Mars may have they formed in much the same way, but only the...

Wind, as an external force, plays an important role in shaping coastal areas and steppes.

Above a certain altitude snow does not melt, not even in summer.