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 ...

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

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 ...

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?

The four-year-old biotech raised about $75 million in a Series A round that involved nine venture capital firms.

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

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