The Earth as a planet can sustain life, because of the presence of Hydrogen and Oxygen, or in more simple terms, the presence of water. Scientists seek evidence of life on other planets by looking for ...

The hydrological cycle is a fundamental natural process for keeping Earth’s operating system intact. Humanity and civilization are intimately dependent on the water cycle, but we have manipulated it ...

Dew formation is a natural process in which water vapour condenses on cool surfaces, typically during clear, calm nights when radiative cooling lowers surface temperatures below the dew point. This ...

Around three-quarters of the Earth is covered in water. Water is a valuable natural resource. It can be used to water crops and grow food, as drinking water, for washing and even for transporting ...