But when did this impact take place? Scientists believe the moon formed during a giant impact about 60-175 million years after the solar system was born. To arrive at this estimate, they can use rocks ...

New research sheds light on the earliest days of the earth's formation and potentially calls into question some earlier assumptions in planetary science about the early years of rocky planets.

Wednesday March 26 – New research led by a York University professor sheds light on the earliest days of the earth’s formation and potentially calls into question some earlier assumptions in planetary ...

So how did our planet end up with such a special moon? The answer is that, surprisingly enough, the moon is a piece of our ...

The Earth was 4 billion years old then. Did the Earth have more oxygen in the past? 4 years after the Earth was formed. The atmosphere now contains almost no oxygen, as it did five billion years ago.

"We're trying to piece together our beginnings. How did the Earth form and why is it a habitable world? What is the source of the organic molecules that make up all life on Earth?" Researchers are ...

So how did our planet end up with such a special ... Artwork of the young Earth-moon system. The Earth had recently formed when it was struck by a protoplanet called Theia roughly three times ...