SETI

AlienCon 2018: Explore the Unexplained

AlienCon 2018 brings together all those seeking the truth about the extraterrestrial existence throughout history and will feature thought-provoking original programming, celebrity appearances, exhibits and more. Seth Shostak, SETI Institute Fellow and Senior Astronomer will be a presenter, giving several talks: “Why Space?”, “What is Astrobiology?”, and “What is SETI?” Other speakers will…

SkeptiCal Con 2018: Northern California's Science Skepticism Conference

SkeptiCal is the Northern California conference of science and skepticism, a day-long event with speakers and discussions on critical thinking. Seth Shostak, SETI Institute Fellow and Senior Astronomer will be one of the featured speakers, asking "Are We Being Visited by Beings from Beyond Earth?" Other speakers will include: Yvette “SciBabe” d’Entremont – Everything is Killing You: A…

Silicon Valley Astronomy Lecture Series: Will the 21st Century be the Time We Discover Life Beyond Earth?

This Silicon Valley Astronomy Lecture Series event has passed, but a video of the lecture can be found here. Dr. Jill Tarter of the SETI Institute will give a free, illustrated, non-technical talk. Dr. Tarter is one of the great scientific pioneers of our time, leading the effort to search for signals from civilizations among the stars. To celebrate the publication of Sarah Scoles’ recent…

COSPAR 2018: Committee on Space Research

COSPAR's objectives are to promote on an international level scientific research in space, with emphasis on the exchange of results, information and opinions, and to provide a forum, open to all scientists, for the discussion of problems that may affect scientific space research. These objectives are achieved through the organization of Scientific Assemblies, publications and other means. SETI…

Spacefest IX: The Event for Space Enthusiasts

Spacefest is THE event for space enthusiasts of any stripe – Astronomy, Human Space Exploration, Robotic Space Exploration, Commercial Space Development or Space History Enthusiast. For the Professional and Amateur. Pascal Lee, SETI Institute Planetary Scientist: "Humans to Mars: From Vision to Reality" Seth Shostak, SETI Institute Fellow and Senior Scientist: "Light Signals from ET" Other…

Astrobiology Australasia Conference 2018

AAM2018  Talks and posters on current topics in astrobiology will be followed by a three-day field trip to the diverse and spectacular geothermal features of the central North Island’s Taupo Volcanic Zone (2 Ma-present). The TVZ is one of the most active volcanic regions on the planet, complete with its own supervolcano and high geothermal heat flux. Hot springs of varied fluid compositions will…
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Allen Telescope Array Gallery

These images of the Allen Telescope Array can be used for free without requesting permission.  Credit should be “Seth Shostak/SETI Institute”.    For higher-resolution versions, please inquire at webmaster@seti.org.  
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Could space aliens on hefty super-Earths be trapped by their own gravity?

Here’s a problem that probably hasn’t occurred to you: A lot of space aliens might have difficulty becoming a spacefaring species. Michael Hippke, an affiliate at Germany’s Sonnenberg Observatory, explains the problem in a new paper. It’s because most of the exoplanets we think would be suitable for spawning intelligent beings are larger than Earth. They’re “super-Earths,” with diameters that…