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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News

Weekly Outage and Initial Catch Up
Every Tuesday morning (Pacific time) we begin a data distribution outage for database and systems maintenance. The upload/download servers will be offline during this time. Afterwards you may experience connectivity issues for several more hours as the servers catch up with demand.
12 May 2020, 21:27:19 UTC


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


Final data is in the splitter queue.
As promised, we've stopped the process that puts new data into the queue today. Data distribution will continue until the files shown on the status pages are done. We'll be accepting results and resending results that didn't validate for a while.
31 Mar 2020, 16:23:54 UTC · Discuss


Jim_S has passed away.
We are saddened to report that former moderator and long-term friend of SETI@home Jim Scott passed away unexpectedly this morning. Angela has started a thread where people can post their memories of Jim and offer condolences.
29 Mar 2020, 1:58:47 UTC · Discuss


SETI@home and COVID-19
SETI@home will stop distributing tasks soon, but we encourage you to continue donate computing power to science research - in particular, research on the COVID-19 virus. The best way to do this is to join Science United and check the "Biology and Medicine" box.
23 Mar 2020, 21:33:54 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.