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

Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq Greenstone Belt has long been known for its ancient rocks — plains of streaked gray ...

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

The world's oldest rocks are spread across the globe and paint a picture of Earth's turbulent early history. Here are some of the most notable and important formations scientists have discovered.

Ancient rocks could shed light on Earth's earliest days Earth formed about 4.5 billion years ago from a collapsing cloud of dust and gas soon after the solar system existed.

To their surprise, they had discovered the oldest rocks on Earth. “This was totally not what we were expecting to find,” O'Neil says. He and his colleagues reported their discovery in 2008.

The world's oldest rocks are spread across the globe and paint a picture of Earth's turbulent early history. Here are some of the most notable and important formations scientists have discovered.

NEW YORK — Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq Greenstone Belt has long been known for its ancient rocks ...

But rocks you're likely find along a nature trail or highway are mere infants compared to the oldest rocks on Earth. Geologists categorize rocks into three basic types, depending on their origin.