Stories, updates, insights, and original analysis from The Planetary Society.

Let’s be careful about this “SETI” signal

Several readers have contacted me recently about reports that a group of international astronomers have detected a strong signal coming from a distant star that could be a sign of a high-technology civilization. Here’s my reaction: it’s interesting, but it’s definitely not the sign of an alien civilization—at least not yet.

OSIRIS-REx – Seeking Answers to the Sweet Mystery of Life

The nature of the origin of life is a topic that has engaged people since ancient times. The samples to be collected by OSIRIS-REx, returned to the Earth in 2023 and archived for decades beyond that, may indeed hide the secrets to the origin of life.

New Horizons One Earth Message

The One Earth Message Project is going to send a message to the stars, and we invite members of the Planetary Society to join us in this historic endeavor.

Planet Formation and the Origin of Life

To understand the possible distribution of life in the Universe it is important to study planet formation and evolution. These processes are recorded in the chemistry and mineralogy of asteroids and comets, and in the geology of ancient planetary surfaces in our Solar System.

Back on the Rails with OSETI

The Planetary Society sponsored all-sky optical SETI search at Harvard University went off the rails, telescope roof rails that is, but it is back on track and hunting the sky for ET.

The Habitable Zone of Inhabited Planets

A team of Colombian researchers are arguing for a new refinement to the idea of the habitable zone that takes the presence of life itself into account.

NASA selects Planetary Society LIFE Proposal

NASA has selected a Planetary Society proposal to study accommodation of the Society’s LIFE (Living Interplanetary Flight Experiment) biomodule on NASA’s Asteroid Redirect Mission (ARM).

Cosmos with Cosmos Episode 12: Encyclopedia Galactica

Cosmos returns in fine form in its penultimate episode. Sagan explores the historical and scientific precedents for the search for extraterrestrial life (SETI) and our human desires to not be alone in the universe.

Do you want to learn more about the Universe?

CosmoAcademy — a project from the CosmoQuest educational and citizen-science group — is offering three new online classes: Introduction to Dark Matter, Introduction to Astronomy via Color Imaging, and Life Beyond Earth: Introduction to Astrobiology.

Shaping the Search for Life

A short film on the Giant Magellan Telescope, which could revolutionize exoplanet research and shape the search for life in the Universe.

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