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

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

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

Rocks older than 4.03 billion years could shed light on Earth's earliest geological history, but they're incredibly rare.

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

Canadian researchers said they'd found the world's oldest rocks in northern Quebec. The find was controversial. But after more than a decade of hard work, they believe they've really proven it and are ...

Trace of Earth’s original 4.3 billion-year-old crust found on surface SCIENTISTS have discovered a piece of Earth’s first crust, dating back some 4.3 billion years.

EARTH is just shy of 4.6 billion years old and roughly a couple hundred million years later the planetary blob began to cool enough for it to form its first crust.

In a controversial 2008 study, O’Neil and his research team claimed that they had discovered a part of the original crust in northeast Canada’s remote Nuvvuagittuq Greenstone Belt.