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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User of the Day

User profile Profile WarLokK
I live in Montreal, Canada where i'm a Government employee. (Yes i DO actually 'work' for my pay; no sitting around on my hands.) I've been doing...


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

New SETI Perspectives: "How did life begin on Earth and elsewhere?"
Richard Lawn has posted a new SETI Perspective entitled How did life begin on Earth and elsewhere?.
19 Mar 2020, 22:49:24 UTC · Discuss

Nebula: science goals
If we don't find ET, our secondary goal is to quantify the sensitivity of the search. Read about
some ideas about how we can do this in the Nebula blog.
7 Mar 2020, 4:44:49 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.