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

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

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

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

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

The ancient history of Earth has always been hard to read. Most of the planet’s earliest crust has been lost, buried, or ...

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

The Hadean Eon, Earth's first geological period, remains shrouded in mystery due to scarce rock records. However, Québec's ...

By confirming the age of these rocks, and that they might just be the oldest rocks on Earth, we’re finally opening the door ...

The Hadean Eon is the first period in the geological timescale, spanning from Earth’s formation 4.6 billion years ago and ending around 4.03 billion years ago.