Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Canadian scientists found the oldest known rocks on Earth - dating back 4.16 billion years - shedding light on our planet’s ...

Geologists have long debated whether a stony formation in Canada contains the world’s oldest rocks – new measurements make a ...

The crater formed more than 3.5 billion years ago, making it the oldest known by more than a billion years. Our discovery is published today in Nature Communications .

Earth's atmosphere came from outer space, scientists find Date: December 11, 2009 Source: University of Manchester Summary: The gases which formed the Earth's atmosphere -- and probably its oceans ...

They believe that Earth formed around 4.5 billion years ago, but they aren't sure where it came from. So, let’s dive into the history of our solar system. Billion years ago, there was no sun ...

Earth's moon formed inside a cloud of molten rock, and may have done so before our planet itself formed, a new theory suggests. Scientists call such a cloud a synestia, a doughnut-shaped ring of ...

Earth’s mantle lost most of its helium-3 during and after our Moon’s impact formation, says Olson. It’s now being re-supplied from the core, he says. What’s most puzzling about this core ...

Cosmic dust found in meteorites that crashed on Earth has revealed the shocking detail that the planet formed within 5 million years, significantly faster than first believed.

The Earth formed about 4.6 billion years ago when our solar system looked drastically different than it does today. Instead of being filled with planets and moons orbiting the sun, ...

Scientists have found evidence that Earth made its final step to planet status about 30 million years earlier than previous research had suggested. Working independently, two groups of scientists ...

In a new study released in Nature this week, researchers say Earth formed within just 3 million years. That’s notably faster than previous estimates that place the timeline as high as 100 ...