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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.

Uranus' biggest unsolved mysteries

Distant, icy Uranus has puzzled scientists for decades. From its sideways spin to its mysterious magnetic field, the oddball world has many secrets waiting to be revealed.

How do we see the surface of Venus from space?

Although Venus is shrouded in a thick atmosphere, several spacecraft have been able to image its surface from space. Future missions will expand and refine the maps we already have.

How do humans try to communicate with aliens?

SETI is the search for extraterrestrial intelligence, using various techniques to look for signals from advanced alien civilizations. METI (messaging extraterrestrial intelligence) is when we send out our own signals for aliens to find.

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