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SETI

At the core of our explorations is the quest to know if life exists beyond Earth. The Planetary Society is a leader in the search for life on other worlds, whether intelligent or microbial. Our active projects: SETI Optical Telescope - Looking for laser signals beamed across the vastness of space. SETI Radio Searches - Huge radio dishes sift through nature's random noise for beacons from other civilizations.

SETI Projects

Optical SETI

In 2006, The Planetary Society unveiled the first All-Sky Optical SETI (OSETI) telescope. Funded by The Planetary Society and operated by a Harvard University team, it's completely dedicated to capturing that one pulse of light that might be a communication.

SETI Radio Searches

One faint signal from light-years away could prove we're not alone in this universe. The Planetary Society is committed to finding that signal -- tirelessly surveying the skies with our Southern SETI project and our Optical SETI Telescope. You can be a part of these projects and help us keep the search going.

[email protected]

[email protected] is the most successful public participation science project in history, and it is dedicated to searching for a signal from the stars. The Planetary Society made it all possible.

Project Updates

The Planetary Society Optical SETI Telescope Opens

Bruce Betts • April 28, 2006

On April 11, 2006, a new era dawned in the search for extraterrestrial intelligence (SETI) with the dedication and beginning of operations of The Planetary Society Optical SETI Telescope in Harvard, Massachusetts. It is the first devoted optical SETI telescope in the world. The telescope was constructed by Paul Horowitz and his group at Harvard University using funding from Planetary Society members.

Analyzing Signals in Real Time

Amir Alexander • July 07, 2005

Candidate signals sent in by users around the world will be quickly analyzed and compared to existing signals.

IBM's World Community Grid: A New [email protected] Venture

Amir Alexander • November 24, 2004

As [email protected] has demonstrated, untold millions around the world are ready and eager to donate their computer time for the advancement of knowledge and the benefit of humankind. The story of distributed computing is only just beginning.

Scientists from Different Fields Line Up to Join the BOINC Family

Amir Alexander • August 24, 2004

BOINC stands for the “Berkeley Online Infrastructure for Network Computing.” Its purpose is to spread the credo of distributed computing beyond [email protected], by making it easy for researchers in all fields to launch their own projects, and tap into the enormous computing capacity of personal computers around the world.

Multi-Beam Receiver Promises New Vistas for SETI Research

Amir Alexander • August 04, 2004

Faster and more regular sky surveys, at an increased sensitivity and broader bandwidth, will push the boundaries of SETI to new and unexplored territories.

Pulses, Triplets, and Gaussians: Rescoring the Reobservations

Amir Alexander • May 17, 2004

It has been more than a year since the [email protected] crew spent a hectic week at Arecibo, pointing the giant radio telescope at some of SETI's most promising targets. Much of the data collected during the reobservations has since been repackaged as work units, and sent out to users around the world for analysis.

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