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

Spectacularly crepuscular!

Curiosity captures crepuscular rays on Mars, a new member community launches, and solar sailing takes exploration into the future.

What was the Chelyabinsk meteor event?

When an asteroid exploded in the atmosphere above Chelyabinsk, Russia on Feb. 15, 2013, it made history and underscored the importance of planetary defense.

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