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Know the cosmos and our place within it.
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Empowering the world's citizens to advance space science and exploration.

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“Exploration is in our nature.” - Carl Sagan

Articles

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

SMART-1 Earthrise

The Earth is a Planet: Why We Explore Space

Why spend effort and scarce resources on space exploration when we have so many problems here at home? Turns out, there are some pretty good reasons.

SMART-1 impact simulation crater

One month, one journal, so many missed space stories!

Or: Emily reads you the table of contents of Icarus.

SMART-1 lunar impact as seen from Earth

Is this SMART-1's impact site?

Speaking of spacecraft crashing...

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