3. 25 Facts About Geologic Time That Made Our Brains Hurt 4. How Do We Know? A Glimpse into Geologic Sleuthing 5. Our Fleeting Moment in Deep Time 6. Frequently Asked Questions What if we told you ...

The 6,000-year claim faces evidence from several places that have little to do with one another. What those independent ...

New evidence from rocks, molecules and machine learning is forcing scientists to redraw the opening chapters of Earth’s story, pushing the first stirrings of biology far closer to the planet’s violent ...

Earth’s geological timeline goes back 540 million years and gives us a picture, so to speak, of the history of our planet that we can read in the sediments found in rock layers, or strata. The ...

The dispute over Earth’s age reaches deeper than one scientific number. At its center is a much bigger argument about ...

How can we measure time more than 500 million years into the past? A study recently published in Nature Communications by researchers at the University of Lausanne presents a new geological "rock ...

When geologists began to establish a geologic timeline in the 1800s, it must have been a monumental task. Layers of rock could readily be found and specific layers often had similar fossil assemblages ...