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

At the time, the Earth's surface was hot enough to bake pizza, but rocks still solidified. Those in this area formed almost ...

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 ...

A groundbreaking discovery in northern Quebec has confirmed the existence of Earth's oldest known rocks, dating back 4.16 ...

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.

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

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

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

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

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 ...

The Oldest Rocks on Earth Are in Canada, and They’re 4.16 Billion Years Old Discover how scientists found and dated the oldest rocks on the planet, and why studying them can help explain how life on ...