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 ...

Stand at the South Rim of the Grand Canyon and look down. The banded rock walls dropping nearly a mile to the Colorado River hold almost two billion years of Earth’s history, layer by layer. But the ...

A geological era progresses ever so slowly, but can lead to dramatic and monumental change. Perhaps an analogy holds for patients who have endured traumatic brain injuries. My wife made the comparison ...

Scientists used the precisely recorded 79 CE eruption of Mount Vesuvius to recalibrate argon-argon dating, reducing uncertainty for a nearly 2,000-year-old volcanic event to just 13 years. The new ...

Reston, VA – The U.S. Geological Survey (USGS) and the Association of American State Geologists (AASG) announced that they have developed an updated geologic time scale and color scheme for use in ...

This report provides an assessment of both the demonstrated and underdeveloped potential of the deep-time geologic record to inform us about the dynamics of the global climate system. The report ...

Jurassic, Pleistocene, Precambrian. The named times in Earth’s history might inspire mental images of dinosaurs, trilobites, or other enigmatic animals unlike anything in our modern world. Labels like ...

*NOTE: This post was included in Classic Science Papers 2008 Challenge, which has posts about a classic paper across many disciplines. That list was expanded and became the first installment of a new ...

I constantly worry I’m forgetting a deadline, that I’ll be late, that my life is slipping through my fingers. Thinking about geologic time gives me perspective. By Yohanca Delgado I wandered my ...

This report provides an assessment of both the demonstrated and underdeveloped potential of the deep-time geologic record to inform us about the dynamics of the global climate system. The report ...