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SETI@home is a scientific experiment that harnesses the power of hundreds of thousands of 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. There's a small but captivating possibility that your computer will detect the faint murmur of a civilization beyond Earth.

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  Learn about SETI


  Current News
  • CONNECTION PROBLEMS FROM SOME UK ISPs: Several ISPs in the .uk domain have installed transparent proxies that do not support SETI@home communication protocols. If you are having problems connecting from a .uk domain, contact your ISP and request that they add an HTTP bypass for the server shserver.ssl.berkeley.edu, or that they provide you with an address and port number for their proxy. We will be addressing the problem of non-compliant transparent proxies in the next SETI@home release.

  • UNAUTHORIZED PATCHES TO CLIENT: It has come to our attention that some users are distributing unauthorized patches to the SETI@home client. We cannot verify that these patches function properly and are virus free. It is very important to the science of SETI@home that you run only the unmodified SETI@home program.

      Sponsors and Acknowledgements

    If you'd like to become one of the project's supporters, please click here. Donations are fully tax deductible.

    Corporations may become Corporate Sponsors of SETI@home with a minimum $10K (or equivalent in-kind) donation. We are also interested in Corporate Participants willing to run SETI@home on their PCs. For more info, click here.

    Sponsors of SETI@home include:

    KEY SPONSORS
    The Planetary Society The Planetary Society
    The University of California Digital Media Innovation Program The University of California Digital Media Innovation Program
    Sun Microsystems Sun Microsystems
    Donate ! The Friends of SETI@home
    (people like you) !


    MAJOR SPONSORS
    Paramount Pictures
    Paramount Pictures
    Fuji Film Computer Products
    Fuji Film Computer Products
    IBM developerWorks
    IBM developerWorks
    Quantum Corporation
    Quantum Corporation


    SPONSORS
    Informix
    Informix
    SCO
    The Santa Cruz Operation (SCO)
    Intel
    Intel
    space.com
    space.com
    EDT
    Engineering Design Team, Inc.
    Crystal Group, Inc.
    Crystal Group, Inc.
    The SETI Institute
    The SETI Institute


    Thanks also to Starwave, who sponsored the scientific feasibility study.

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