SETI@home is in hibernation.

We are no longer distributing tasks. The SETI@home message boards will continue to operate, and we'll continue working on the back-end data analysis. Maybe we'll even find ET!

Thanks to everyone for your support over the years. We encourage you to keep crunching for science.

What is SETI@home?

SETI@home is a scientific experiment, based at UC Berkeley, that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). You can participate by running a free program that downloads and analyzes radio telescope data.

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Encouraging progress in back-end data analysis
Check out Good non-barycentric news, a summary of recent work in Nebula.
23 Nov 2020, 9:52:01 UTC · Discuss

Update on back-end data analysis
Work continues on Nebula: read about Finding persistent non-barycentric signals (work in progress).
1 Nov 2020, 8:22:32 UTC · Discuss

Nebula-related news
Read the latest installment of the Nebula blog: Observations on observation.
8 Jun 2020, 3:24:06 UTC · Discuss

External design review
We met with a group of outside experts to review some of our back-end algorithms. It was a productive meeting.
22 May 2020, 5:03:17 UTC · Discuss

Nebula progress and non-progress
The last data has been sent out, but our work on Nebula - the final phase of data analysis - is picking up steam. However, not all ideas are good ideas. Read about Multiplet scoring: back to the drawing board.
26 Apr 2020, 3:58:12 UTC · Discuss

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SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.