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

Studies of these zircon minerals has given us clues about the Hadean environment, and the formation and evolution of Earth’s ...

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

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

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?

Two different testing methods found that rocks from an area called the Nuvvuagittuq Greenstone Belt in northern Quebec date ...

Discover how scientists found and dated the oldest rocks on the planet, and why studying them can help explain how life on ...

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 Nuvvuagittuq Greenstone Belt in northern Quebec contains Earth's oldest-known rocks, aged 4.16 billion years. This ...

If the new age of these Canadian rocks is solid, they would be the first and only ones known to have survived Earth’s earliest, tumultuous time.