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SETI Live is a weekly production of the SETI Institute and is recorded live on stream with viewers on YouTube, Facebook, LinkedIn, X (formerly known as Twitter), and Twitch. Guests include astronomers, planetary scientists, cosmologists, and more, working on current scientific research.

Founded in 1984, the SETI Institute is a non-profit, multi-disciplinary research and education organization whose mission is to lead humanity’s quest to understand the origins and prevalence of life and intelligence in the Universe and to share that knowledge with the world.

Meet Our Hosts

Beth Johnson is a communications specialist and social media manager at the SETI Institute with a degree in physics and master's work in planetary science. She specializes in meteor showers, icy moons, and anything with volcanoes.

Franck Marchis is a senior planetary astronomer at the SETI Institute and Chief Scientific Officer and Founder at Unistellar. He has dedicated his work to the study of our solar system, specifically the search for asteroids with moons, using mainly ground-based telescopes equipped with adaptive optics.

Simon Steel is Deputy Director of the Carl Sagan Center for Research at the SETI Institute. As an observational astrophysicist, he specialized in optical spectrophotometry, with an interest in the star formation histories of galaxies.

Bettina Forget is an art-science researcher, educator, and visual artist who joined the SETI Artist-in-Residence program in 2016 as a Researcher in Residence and became its Director in 2020. In this capacity, she facilitates collaboration between artists and the SETI Institute’s scientists, promotes art-science research, and weaves a network of institutional partners active in art, science, and technology.

View past episodes

On the SETI Institute YouTube Channel

Aug 8, 2025 | 3:15 PM
SETI Live: Closest Exoplanet Yet?
JWST Reveals Neighboring Planet Candidate
Aug 7, 2025 | 2:30 PM – 3:00 PM
SETI Live: Orbital Oddity and Neptune
Resonant Object Hints at Planetary Migration
Jul 17, 2025 | 3:30 PM – 4:00 PM
A Vaporizing Planet
Why BD+05 4868 b is Turning to Dust
Jul 11, 2025 | 1:00 PM – 1:30 PM
Comet 3I/ATLAS
A Visitor from Beyond the Solar System
Jul 7, 2025 | 2:30 PM – 3:00 PM
How Ceres Froze Over
Modeling the Ice-Rich Crust of an Evolving Dwarf Planet
Jul 1, 2025 | 2:30 PM – 3:00 PM
NSF–DOE Rubin Observatory First Look
Stunning Images and Asteroids Aplenty
Jun 26, 2025 | 2:30 PM – 3:00 PM
LaserSETI Update
On Exhibit in London and a New Station in Puerto Rico
Jun 12, 2025 | 2:30 PM – 3:00 PM
Could Aliens See Us?
What Earth’s Technosphere Reveals
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