earth's rotation

1 billion people on Earth will be threatened in 2018 for this reason
US scientists have just forecast that in 2018 continuous strong earthquakes will threaten the lives of more than 1 billion people due to the slower rotation of the Earth.
13 elements make the Earth unique
People are living on the most perfect planet in the solar system, converging all favorable conditions to support life. Here are 13 best features of the Earth.
Tomorrow time is pulled back by a second
Time experts around the world will add one second at the last minute of June 30. Sun time is the time scale that 12 o'clock noon is when the sun is in the highest position in the