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

How do NASA and ESA work together?

NASA and the European Space Agency (ESA) have a long-standing partnership that has resulted in spectacular science missions, including the James Webb Space Telescope and the Cassini-Huygens mission to Saturn.

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.

See for yourself

See the month’s coolest space pictures, see planets in the night sky, and create the future in space that you want to see.

To the moon together

An interview with Scott Pace about the Moon’s role in internationally cooperative human space exploration.

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.

Way out there

We’re always learning more about the worlds of the outer Solar System, and even those beyond.

Moonshadow, Moonshadow

The Moon casts shadows on itself and on Earth, environmental concerns overshadow a test launch’s success, and exoplanets are awesome (beyond a shadow of a doubt).

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