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 ...

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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 ...

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