Your DNA's Codes Are (Probably) From Outer Space

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Did you know that many of us have up to 4% neanderthal DNA? And that 100% of your DNA may come from outer space? No joke. The biochemistry that defined the coding system of your DNA may have happened off-world, and perhaps even long before Earth existed.

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Hosted by Matt O'Dowd

Written by Christoper Pollack & Matt O'Dowd

Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria

Directed by Andrew Kornhaber

Associate Producer: Bahar Gholipour

Executive Producer: Andrew Kornhaber

Executive in Charge for PBS: Maribel Lopez

Director of Programming for PBS: Gabrielle Ewing

Assistant Director of Programming for PBS: John Campbell

Spacetime is a production of Kornhaber Brown for PBS Digital Studios.

This program is produced by Kornhaber Brown, which is solely responsible for its content.

© 2025 PBS. All rights reserved.

End Credits Music by J.R.S. Schattenberg

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