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

Curiosity's Marsdial is on Mars!

Following the successful landing of the Curiosity rover, it is gratifying indeed to see the third MarsDial© photometric calibration (cal) target on the planet Mars. It is something near and dear to me personally, and it's good for all of us, because it helps us do good science.

Making eclipse magic

How to enjoy a solar eclipse with your kids, making shadow magic with a pinhole viewer.

Night Sky Guide for Summer 2012

This summer should provide great opportunities for stargazers to view planets, meteor showers, the transit of Venus, and for some, the annular solar eclipse. Check out these highlights of what you can look forward to this summer.

Arsenic and Deep Space?

If you or I ingest arsenic, well...it doesn't go so well. If you are, on the other hand, a certain species of bacterium from Mono Lake, California, ingesting this seemingly toxic metal is simple enough.

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