Both of the above never completed a full revolution of Earth However, in 2006 we had a mini-moon that stayed with us for a full year. Asteroid 2006 RH120 remained gravitationally bound to Earth ...

Earth is about 4.5 billion years old. Scientists think that by 4.3 billion years ago, Earth may have developed conditions suitable to support life. The oldest known fossils, however, are only 3.7 ...

A year is the time it takes to orbit the sun. And we have seasons because the Earth's axis is tilted by 23 degrees. To see how that works we need to speed time up, so a year passes in just ten ...