Geology is full of detective stories about the Earth's history, and a new paper in Geology by University of New Mexico Distinguished Professors Emeritus Karl Karlstrom and Laurie Crossey, along with ...

A meteorite impact thousands of years ago may have triggered a landslide in the Grand Canyon and reshaped the Colorado River that runs through the national park. Geologists studying driftwood and lake ...

Early in the morning of October 6, 2008, astronomers at the University of Arizona detected an asteroid on a collision course with Earth. When other sightings cropped up across the world, the ...

They're stronger and more impactful than we ever knew.

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

Scientists have discovered a massive asteroid impact crater in China. The bowl-shaped depression is some 900 meters wide—more than eight times the length of a football field. In a paper published last ...

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 ...

In a small northwest Iowa town built atop a 74-million-year-old meteorite crater, even the drinking water carries remnants of ...

A newly identified impact scar in southern China has turned a quiet patch of countryside into one of the most important ...

Learn about 2024 YR4, the asteroid with a 4 percent chance of hitting the Moon in 2032, and the possible timeline of effects that could follow.