A lot of the rocks we have on Earth are pretty old, but none of them were around when our planet was first formed. The Earth itself is around 4.5 billion years old, and the oldest rocks we’ve ...

When the Apollo 14 astronauts returned samples from the moon’s surface, they probably didn’t realize that they were reuniting Earth with a bit of its early history.

In 2016, a remarkable discovery took place deep beneath the surface of a Canadian mine, where Professor Barbara Sherwood ...

The scientists found that one rock contained a 0.08-ounce (2 grams) fragment composed of quartz, feldspar and zircon, all of which are rare on the moon but common here on Earth.

Scientists have found the oldest known rocks on Earth. They are 4.28 billion years old, making them 250 million years more ancient than any previously discovered rocks.

The oldest rocks on Earth formed more than 3 billion years ago, and are found in the cores of most modern continents. However, geologists still cannot agree on how or why they formed.

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.

A 2.35-billion-year-old Moon rock that fell to Earth in Africa is rewriting what we know about lunar volcanism. This rare meteorite, studied by UK scientists and unveiled at a major geochemistry ...

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.

OLD BUT NOT CRUSTY These banded rocks found along the eastern shore of Canada’s Hudson Bay are estimated to be 4.28 billion years old, making them Earth’s oldest intact rocks. (Hammer shown ...

That would make them by far the oldest rocks ever found on Earth. And that is not the least of it. Rocks that old would tell us how the planet's surface formed out of its violent infancy and just ...