What is SETI@home?
SETI@home is a scientific experiment 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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Get started

Read our rules and policies.
Download, install and run the BOINC software used by SETI@home. When prompted, enter the URL:

Have questions or need help? Talk to a live volunteer over Skype using BOINC online help.

Special instructions:

Keep your computer busy when SETI@home has no work - participate in other BOINC-based projects.

User of the day

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April 21, 2007
As we are close to distributing new data recorded with the multi-beam recorder, we descreased redundancy levels for current data. In the near term, there may be periods when it is difficult to obtain work. Your BOINC clients should retry regularly on their own and will eventually get data to process.

April 4, 2007
We are moving our database service around. Db_dump (stats) is off for a couple of days..

March 5, 2007
This week our servers are being patched to include the new Daylight Savings Time schedule. Certain services (web sites, data transfers, etc.) may by off-line for short periods.

February 21, 2007
Yet another reason to run SETI@home - it can help recover stolen laptops.

February 13, 2007
We are in process of making network changes which may have affected your SETI@home client's ability to connect to our servers. If you are having trouble, try this.


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