SETI@home is temporarily shut down for maintenance.

SETI@home is in hiberation.

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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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.