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

Alone in space, but not lonely

Comet Leonard heads out to roam free in interstellar space, alongside rogue planets, their moons, and maybe even life.

Is life possible on rogue planets and moons?

Our exploration of the solar system combined with two decades of exoplanet research tells us there are several possibilities for life to exist on starless planets and their moons.

New year, same universe

While missions are achieving new things, the cosmos reminds us that some things are universal.

Who loves the Sun?

Our host star takes center stage, and JWST demands a little more patience.

Optimism, ethics and pride

The values that have driven space exploration since its beginnings are still going strong today.

We love Lucy

Everything you need to know about NASA’s Lucy mission to the Trojan asteroids.

Rocky worlds rock

This week we're all about the rocky planets: Mercury, Venus, Earth and Mars.

The best seat in the solar system

Look at some extraordinary views from space and imagine what you’d see if you had the best seat on SpaceX’s Dragon capsule.

Proximity and distance

Looking at planets and moons from near and far, and figuring out how to get all the way out there.

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