Homepage | The Planetary Society

Help Shape the Future of Space Exploration

Join our eNewsletter for updates & action alerts

Messages from Earth

Fly your name to an asteroid--and back--on Hayabusa-2!
Send your name http://www.planetary.org/assets/background/space-art/background-hayabusa2-with-asteroid.jpg
Hitting the Road to Mount Sharp

Curiosity's science team is (almost) done at Glenelg and ready to start the 8-kilometer trek to the mountain
Get ready to rove http://www.planetary.org/assets/background/space-photos/mars_msl_Sols3_13_Mastcam34_m_postcard_bouic_background_homepage.jpg
We Are Your Place in Space

Join me as a Member of The Planetary Society
Join Now http://www.planetary.org/assets/background/space-art/rover-wisdom-background.jpg
Planetary Defense Conference 2013

Bringing together the world’s experts in all aspects of defending the world from asteroid and comet impact
Find out more http://www.planetary.org/assets/background/people/project_shoemaker_homepage_bg.jpg
Landing on Mars With Matt Golombek

The MER Project Scientist has helped lead Mars landing site selection for decades.
Listen Now http://www.planetary.org/multimedia/planetary-radio/images/20130607-opportunity-solander-point-bkg.jpg

MySky Stories From Our Members

Double Rainbow
Henry Towers
Double rainbow on my way home from work in Orange County, California.

Yukon Moon
Mark Bowers
The moon and it's reflection at Fox Lake in Yukon Canada-September 2011.

Not a Member?
Join Today »

Image of the Week: Sun Jun 16 00:00:00 CDT 2013

We are at a crucial turning point in the history of planetary exploration.

You can help.

Together, we can get the budget we need to support our planetary endeavors and Save our Science.

Find out what is at risk and what you can do to help.

Goodnight, Herschel Space Observatory 2013/06/18
The European Space Agency’s Herschel Space Observatory received its final commands yesterday, having depleted the ...
Read More »
Favorite space images: "Many Worlds" 2013/06/17
For this evening's Planetary Radio Live event, Mat Kaplan asked me to do a presentation ...
Read More »
Cosmic Concert Webcast Tonight at 7pm PDT / 10pm EDT 2013/06/17
We've got a full house for this evening's Planetary Radio Live, but you can watch ...
Read More »