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 ...

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

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.

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

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 ...

A massive meteor struck near Manson, Iowa, 74 million years ago, creating the U.S.'s largest impact crater and reshaping the ...

Pune: Formed 50,000 years ago, India's only basaltic meteor impact crater — a geological marvel that scientists study as a ...

A quiet hillside in southern China holds the mark of something that arrived with enormous force from far beyond our planet. The Jinlin crater, tucked into the low mountains of Guangdong Province, ...