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

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.

Comet to whiz past Mars in October 2014

A recently discovered comet, C/2013 A1 (Siding Spring), is going to be passing very close to Mars on October 19, 2014. Does it pose a risk to spacecraft?

The Solar System from the Inside Out - and the Outside In

Space probes grant us perspective, the ability to see our place within the vastness of the solar system. But opportunities to see all of the solar system's planets in one observation are rare. In fact, there's only been one opportunity on one mission to see the whole solar system at once, until now.

A Moon Among Stars

A very pretty picture of a moon among stars. Happy 2009, everyone!

Space is vast. There's a lot of exploring to do.

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