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.

Join SETI@home

User of the Day

User profile Profile Floyd Nash
50 Year old male living in Kalamazoo, MI. I am a Sr. ComputerTech at a national level bank and have spent most of my life working with computers in...


New Nebula blog
A new blog documents the progress and status of Nebula, the SETI@home back end.
2 Dec 2016, 8:12:59 UTC · Discuss

Web site upgrade
We changed the SETI@home web site to use Twitter Bootstrap, a CSS toolkit. This makes the site usable on small displays, and lets us use color schemes developed by other people (this one is called Darkly).
25 Nov 2016, 21:43:52 UTC · Discuss

SETI@home Fall 2016 Fundraiser
The SETI@home Fall 2016 fundraiser has begun. If you haven't received your fundraising letter you can find it here.

The abundance of data has made our funding needs a little more demanding this year, so we're hoping you can help us out a bit more.

As always, thanks for running SETI@home
18 Nov 2016, 20:01:08 UTC · Discuss

Celttooth has passed away.
We are sad to report the passing to long time SETI contributor Celttooth (M. Ian Russell) We will be lessened by his absence.
16 Nov 2016, 6:03:40 UTC · Discuss

Nebula: Completing the SETI@home pipeline
Read about Nebula, a new and faster back end for SETI@home. Nebula removes RFI and finds persistent signals. Its goal is to let us finish the current SETI@home experiment.
7 Nov 2016, 21:48:28 UTC · Discuss

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©2016 University of California
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.