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         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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Read our rules and policies
Download, install and run the BOINC software used by SETI@home. When prompted, select SETI@home from the list of projects.

Have questions or need help? Contact a volunteer 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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I'm 23 years old and I service office equipment. In my spare time I like to play around with my computer and cruise the town in my Mini-van STOP...


Thanks for helping!
We couldn't do any of this without you. Our search relies on the generosity of those who donate their computing resources and electricity, their coding skills, and also financial help to make what we do possible. Any and every contribution counts, and we appreciate all of you. While we are not funded by big government grants, we are fortunate to be based at one of the world's leading public universities, where one of our most precious resources is the bright young minds who will be the scientists and engineers leading the search in the years to come.

So we invite you, if you feel motivated to do so, to help us with the resources to set up an undergraduate lab with new software-defined radio tools to help train our undergrads in the tools of the trade. To get an idea of how engaged these students are, check out our interview with Kyle at And if you'd like to support our work, please visit But whether or not you choose to contribute financially, we are so grateful for all of you that have chosen to be a part of SETI@home as we attempt together to answer humanity's biggest question. Thanks!
25 Apr 2016, 19:03:11 UTC · Comment

Article about distribution of Breakthrough data. has published an article about our distribution of Breakthrough Listen data. 15 Apr 2016, 0:01:13 UTC · Comment

Breakthrough Listen data now flowing.
Happy Yuri's Night #55, the 55th anniversary of Yuri Gagarin's historic first space flight on April 12, 1961.

In celebration, we're starting distribution of Breakthrough Listen data from the Green Bank Telescope today. No intervention is necessary on your part. The main difference you will see is a change in your screen saver graphics, if you have them running. We'll still be distributing Arecibo data as well, so that won't change.

The Breakthrough Initiative is also distributing raw data in multiple formats, so you can write your own analysis code if you'd like.

You can read about it in this press release.
12 Apr 2016, 18:04:28 UTC · Comment

SETI@home 8 released for Raspberry Pi.
It should also work on other ARM linux machines that use the gnueabihf ABI. 8 Apr 2016, 22:36:22 UTC · Comment

Crowdfunding to support our undergrads
We're raising money to support our undergrads to build hardware to search for ET. We'd love for you to help at Perks at the higher levels include a roundtable with BSRC Director Dr. Andrew Siemion, tours of our UC Berkeley labs, and a behind-the-scenes tour of the Green Bank Telescope. Or you can just bask in the warm fuzzy glow of helping out our undergrads. Every donation counts! 8 Apr 2016, 1:50:35 UTC · Comment

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