Geologists have discovered the world's oldest known impact crater; it sits in the heart of Western Australia's ancient Pilbara region. An analysis of rock layers in the region suggests a crater at ...

The Acasta Gneiss is known as one of the oldest rocks on the Earth, estimated to be about 4 billion years old, located in the ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread. Unraveling Earth's 4.5-billion-year history with rocks is tricky business.

Scientists thought this crater in Australia was the world’s oldest — but an independent analysis shows they might be off by at least 800 million years. When you purchase through links on our site, we ...

"Given how rare such evidence is due to [Earth's] geological recycling processes, this is a major breakthrough in understanding early Earth." When you purchase through links on our site, we may earn ...