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

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.

In 2008, researchers reported that these rocks dated back 4.3 billion years 2, a claim that other scientists contested. Work reported today in Science 1 seems to confirm that the rocks, known as the ...

Along the eastern shore of Hudson Bay in Canada's northeastern province of Quebec, near the Inuit municipality of Inukjuak, ...

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

These rocks are unambiguously dated at 4.03 billion years old, marking the boundary between the Hadean Eon and the next chapter in Earth’s history: the Archean.

On the shores of Hudson Bay in northeastern Canada lie what could be the world’s oldest rocks. A study now suggests they are at least 4.16 billion years old — 160 million years older than any others ...

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