Researchers say they might have discovered the oldest rocks on Earth. The rocks in question are a belt of swirly, ...

Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq ...

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

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.

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

Geologists recently dated the age of Watersmeet gneiss, a type of rock in the Upper Peninsula, as the oldest in the U.S. Here's what to know.

Now, a study in the journal Nature argues for the earlier age, saying that the ancient Moon also went through a period when it got hot and partially remelted, producing new rocks about 4.35 ...

The timing of this event has been estimated by dating lunar-rock samples presumed to have crystallized from the lunar magma ocean that existed post-impact, placing the Moon’s age at about 4.35 billion ...