Are we alone?
Let’s find out.

Leading the search for life beyond Earth.

The SETI Institute is a 501(c)(3) nonprofit dedicated to finding out.

News

In search of what’s news?

The latest industry news, interviews, technologies, and resources.

SETI Institute Names First William J. Welch Postdoctoral Fellow
Jun 11, 2025 • Press Releases • ATA • Fellowships • SETI • Hat Creek Radio Observatory
SETI Institute Names First William J. Welch Postdoctoral Fellow
About

What We Do

At the SETI Institute, we explore the origins of life, the search for extraterrestrial intelligence, and the mysteries of the cosmos. Through cutting-edge research, education programs, and public outreach, we strive to expand humanity's understanding of the universe.

Research

We lead scientific investigations into planetary environments, astrobiology, and the search for life beyond Earth.

Education

Our educational initiatives inspire and train the next generation of scientists, fostering curiosity and innovation.

Outreach

We engage the public with space science and discovery, making complex scientific ideas accessible and exciting for all.

Careers

Searching for life
is a team sport.
Want to join?

Research

Featured Projects

Featured Image
ATA • Radio Astronomy • Hat Creek Radio Observatory • HCRO • ATA News
The Allen Telescope Array (ATA)
The ATA is the first radio telescope designed from the ground up to be used for SETI searches. #ATA #Radio Astronomy #Hat Creek Radio Observatory #HCRO #ATA News
Featured Image
COSMIC • VLA
COSMIC
The Commensal Open-Source Multimode Interferometer Cluster (COSMIC) is a new commensal Ethernet-based digital signal processing backend and computer cluster on the VLA in New Mexico operated through the NRAO. #COSMIC #VLA
Featured Image
Unistellar • Citizen Science
Unistellar Network
Leverage your eVscope's power and join a community of users to image intriguing astronomical events such as supernovae and exoplanet transits, while making a valuable contribution to research. #Unistellar #Citizen Science
Research

Key Research
Concepts

What is the Drake Equation and how is it used in our research?

How are we searching for life in the universe?

What will we do if we detect a signal?

How do we know the best places to look for life?

Support Us

Support the
SETI Institute

Scientists are getting closer in their search for life beyond earth. But with limited federal funding for the search for extraterrestrial intelligence, supporters are the reason cutting-edge scientists can keep their eyes on the sky.