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The boundaries of tectonic plates can be seen on the seafloor.
The Great ocean conveyor is a planet-wide system of ocean currents, which has a great...
What secrets does the Moon have? Who were the first men on the Moon? You’ll find out everything...
One third of the continents is covered with desert. Today, desertification is a growing problem.
Water is one of our key natural resources; we must protect it vigorously.
Mercury, Venus, Earth and Mars may have they formed in much the same way, but only the Earth is...
The weather can be forecast with different meteorological instruments.
Did you know that about 75% of the land on our planet is covered with sedimentary rock?