Mary Beth Wilhelm planetary science & astrobiology PhD Student, NSF Graduate Fellow & NASA Civil Servant

Mary Beth Wilhelm

KQED Science Blogs

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Want to Go to Mars? A Cheaper Alternative Resides in Chile’s Atacama Desert

"Desert selfie" in the driest place on the planet: Atacama Desert in Chile.


Don’t Eat the Dirt on Mars: the Pros and Cons of Perchlorate

A future Mars colonist examines a rock on the martian surface