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

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

Discover why Antarctica no longer has lush forests with giant ferns and how ancient fires fueled intense volcanic activity.

Somewhere between Google Earth glitches and ancient prophecy, a new kind of internet mystery has taken hold. It doesn’t come ...

NASA's Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into rock surfaces to expose ...

Hokkaido University researchers found ancient squids were the dominant ocean predators 100 million years ago - before dinosaurs went extinct.

A belt of volcanic rock along the eastern shore of Hudson Bay in Canada’s Quebec province has been confirmed as the oldest ...

Did you know that some of the oldest human-made structures on Earth align precisely with the rising sun on the summer ...

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

LOFAR detects a faint radio 'mini-halo' from 3.8 billion years ago, revealing how galaxy clusters evolved in the early ...

The gold standard for determining the age of ancient rocks is measuring the radioactive decay of isotopes of uranium into lead in minerals known as zircons. But not all rocks contain zircons, so ...