On the Cover: The cave-diving DEPTHX robot explores a deep sinkhole in Mexico, preparing scientists for a future mission to Jupiter’s ocean-covered moon Europa. Write for StarDate Magazine Writer's Guidelines (84K pdf -- free Adobe Acrobat software is required to view the document.)

Mars on Earth
Take a tour of some of the most Mars-like places on Earth to learn how scientists are taking advantage of the similarities to better understand our red neighbor.

The Little Robot that Could
A smart, cave-diving robot plumbs extreme environments on Earth in preparation for future missions to Jupiter’s moon Europa.

In Future Issues
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