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

The Worcester area has evidence of the Mesoproterozoic Era, going back to the earliest known days of the present-day Earth's ...

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

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...

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

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

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

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

Researchers have published a study that outlines the discovery of three new types of minerals never before catalogued on ...

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

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.