A Comet From Another Star Hints That Our Solar System Isn't One-Of-A-Kind

By Geoff Brumfiel
Published December 5, 2019 at 12:56 PM CST
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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