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

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

Earth history, as a scientific topic, encompasses the reconstruction and analysis of the planet’s physical, chemical, and biological evolution from its formation ~4.54 billion years ago to the present ...

Francisco Jose Testa does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...