Geologists Find Clues In Crater Left By Dinosaur-Killing Asteroid

By Geoff Brumfiel
Published May 6, 2016 at 7:38 AM CDT
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Geoff Brumfiel
Geoff Brumfiel works as a senior editor and correspondent on NPR's science desk. His editing duties include science and space, while his reporting focuses on the intersection of science and national security.
See stories by Geoff Brumfiel