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’s ice sheets and glaciers are melting at such a rate it’s changing the way the Earth spins, causing it to wobble off ...

A study suggests that this organism likely lived on Earth only 400 million years after its formation. Further analysis also shows that this life form likely sported an early immune system ...

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 ...