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

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.

Super-close supernova in M82

The astronomy world is all a-twitter this morning over the discovery of a new supernova in M82, a galaxy that's in our astronomical backyard,

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.

Planetary Radio: The Gemini Planet Imager

It's very nice to infer the existence of planets circling other stars. It's even better to see them. This new instrument has just become the most powerful exoplanet viewer yet created.

Cosmos with Cosmos Episode 9: The Lives of the Stars

This episode highlights the other big idea in Cosmos: that we are profoundly connected with the universe around us. Our constituent parts are forged in the bellies of massive stars; we exist through their deaths.

Alpha Centauri Planet Hunt Update

An update from Yale’s Debra Fischer about the Alpha Centauri planet hunt, partially sponsored by The Planetary Society, as well as her team’s efforts to remove “noise” from parent stars to help find exoplanets.

The "Starship Century" Beckons

The Benford brothers provide inspiration and hard fact in their excellent new anthology about interstellar travel.

Book review: Destiny or Chance Revisited

What have the recent discoveries of thousands of exoplanets told us about how we got here, and whether we are alone? In Destiny or Chance Revisited, Stuart Ross Taylor attempts to answer those two questions.

Upgraded Alpha Centauri Planet Search Underway

The Planetary Society sponsored Alpha Centauri planet search started using a newly upgraded system in May. Here is a quick update including info from project leader Debra Fischer from Yale about their new system.

Return of the Pale Blue Dot

You can be part of a planetwide group photo as Cassini and MESSENGER turn their cameras Earthward on July 19.

Goodnight, Herschel Space Observatory

The European Space Agency’s Herschel Space Observatory received its final commands yesterday, having depleted the liquid helium required to make its infrared observations.

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