Mysterious driftwood high in Grand Canyon caves hints at the legacy of Arizona’s huge impact crater.

WINSLOW, AZ (AZFamily) — An asteroid hit the Earth in what is now known as northern Arizona about 50,000 years ago. It left a giant crater that draws people from all over the world. Nestled between ...

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

Geology as a field comprises investigations of the past to dig out the secrets of our planet and its various formations. A new paper has been added to the list of detective work by exploring the ...

Roughly 35 million years ago, a massive asteroid slammed into the Atlantic Ocean near what’s now the East Coast. The impact struck with such force that it carved out a vast crater, later buried ...

The study of impact crater geology and shock metamorphism offers a vital window into the extreme conditions that have shaped planetary surfaces. Impact events, whether from solitary projectiles or ...

Aaron J. Cavosie receives or has received funding from the Australian Research Council, the US National Science Foundation, and NASA. Alec Brenner does not work for, consult, own shares in or receive ...