There's a billion-year gap in Earth's geological history. A new study seeks to explain the mystery.

3. 25 Facts About Geologic Time That Made Our Brains Hurt 4. How Do We Know? A Glimpse into Geologic Sleuthing 5. Our ...

How can we measure time more than 500 million years into the past? A study recently published in Nature Communications by ...

Human beings have been at the center of ecological change on Earth for thousands of years. But as history shows, no species ...

Much of our understanding of Earth's past is derived from stratigraphic records exposed in rock outcrops or recovered from ...

New geological evidence suggests that the slow wobble of Earth’s axis may have triggered rapid climate swings during the Late ...

If you look back through the billions of years of Earth’s history, you realize that the ground beneath you is anything but ...

The Moon may preserve a chemical record of Earth’s ancient atmosphere, and those same materials could one day support future ...