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 Coolcat67
I live in a little town on the north sea coast in germany called Marienhafe. I'm interistet in astronomy since I was about six years old. I discoverd...


Slow network connection to Green Bank
Something is happening to the network connection between Green Bank and Berkeley that is slowing down the rate at which we can transfer data for splitting. We've opened a trouble ticket with campus networking services. Hopefully they will be able to find and fix the problem quickly. Until then, work may be in short supply.
29 Jan 2018, 18:45:35 UTC · Discuss

Long outage...
The outage ran long today because we needed to run down to the data center to swap some bad drives with new ones and reboot a few of the machine to pick up kernel and mysql updates.

Sorry for the delay.
24 Jan 2018, 7:17:44 UTC · Discuss

Projects are (no longer) down
Our upload server is malfunctioning. The projects are down until we can fix this.
4 Jan 2018, 20:04:53 UTC · Discuss

Now accepting donations of gridcoin.
Because of several requests, I've resurrected the idea that we could take donation in gridcoin, a cryptocurrency you can earn by participating in volunteer computing projects.

Our gridcoin address is now listed on our donation page.
13 Dec 2017, 18:41:43 UTC · Discuss

Special Fundraiser for Parkes Data Store and GPU development system
Thanks to our collaboration with Breakthrough Listen and their international colleagues, we will soon have the ability to access data recorded at the Parkes Radio Telescope in Australia. For the first time, this will give us full-sky coverage, including the southern hemisphere, in our search for ET. However, due to the enormous amount of data that the 13-beam receiver at Parkes can generate, we will require extra hardware to store and distribute it. We need your help to purchase this.

Thanks to some special offers, one from the Hanson family in memory of Robert W. & Mary P. Hanson, one from Richard Haselgrove in memory of his mother, Jenifer Leech, and one from Mr. Kevvy, we have the possibility to match donations which will allow us to purchase the Parkes Data store server (~$34K) and the GPU development systems (~$10K) we will need for the coming year. For every dollar you donate in this special fund raiser, Mr. Kevvy will match it, the Hanson Family will match it with two, and Richard Haselgrove will match it with two more. That means for every dollar you donate we'll get six dollars towards the purchase of these servers!

Because this is a special fundraiser we'll have special notation on your account page and on the forums. The 12TB disk drives in the Parkes Data Store cost $450. One sixth of that is $75. So, a donation of $75 or more gets you a disk drive icon. The GPUs in the GPU development machine that we will be using for our recording systems at future telescopes are $1500 each, so a donation of $250 or more will get you a GPU icon. And as always, any donation of $10 or more will get you a green star.

But in the end, it's not about the icons: it's about getting the data and making a discovery for the ages. Your help, whether by crunching data or by donating, is always appreciated.
7 Dec 2017, 19:15:11 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.