Earth may have formed much more rapidly than previously believed after born as tiny millimeter-sized pebbles that accumulated over a period of just a few million years. The new theory put forward by ...

About 4. 6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity.

Formed millions to billions of years ago, diamonds can shine light into the darkest and oldest parts of the Earth's mantle. The analysis of ancient, superdeep diamonds dug up from mines in Brazil and ...