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

The oldest terrestrial materials ever dated by scientists are extremely rare zircon minerals that were discovered in western ...

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

In 2008 scientists reported that rocks in Canada were the world’s oldest. New data appear to confirm this contested claim ...

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

Gray rocks uncovered in northern Nunavik, Quebec, Canada may be the ultimate primordial find. The stones date back 4.16 ...

But finding geological evidence of the extent of Earth's life (that is, locating rocks that formed with Earth, not on it) is ...

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

Two different testing methods found that rocks from an area called the Nuvvuagittuq Greenstone Belt in northern Quebec date to 4.16 billion years ago, a time known as the Hadean eon. The eon is named ...

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

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