On the JPL Blog: Comets and Life On Earth

Don Yeomans
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August 17, 2009

With the recent discovery of the amino acid glycine in the comet dust samples returned to Earth by the Stardust spacecraft, it is becoming a bit more clear how life may have originated on Earth.

To read the full story and post a comment, go to the JPL blog at .

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Don Yeomans

Don Yeomans, a senior research scientist at JPL, keeps a watchful eye on near-Earth objects -- asteroids, comets and other space rocks. Yeomans heads a group charged by NASA to watch for objects whose orbits bring them close to Earth.

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