Stardust Brought Back Comet Pieces 10 Years Ago

On a January morning 10 years ago, tiny pieces of a comet landed on Earth inside of a spacecraft -- and these samples are still teaching us new things about the origins and evolution of our solar system.

January 26, 2016
1:12 PM EST
A dust track likely left by interstellar dust, as seen inside Stardust's aerogel collectors. | UC Berkeley/Andrew Westphal