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

What went wrong with Mars Sample Return

An edited transcript of an interview with Orlando Figueroa, chair of the independent review team that evaluated NASA's Mars Sample Return program.

Storms and showers

Mars has storms of dust, while Saturn pours down ammonia rain. Here on Earth, we passed through a debris tail to get a special kind of shower.

Hasta la vista, baby

Terminators abound this week in space, and we’ll be back to Mars if NASA gets the budget it needs.

That’s a mare

An unusual lunar feature, Saturn’s shining rings, and Mars’ complex gullies.

What’s going on with Mars Sample Return?

NASA's biggest science project is undergoing an unprecedented second independent review amidst growing cost estimates and daunting technical and managerial challenges.

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