'On our way to Mars': NASA rover will look for signs of life

The biggest, most sophisticated Mars rover ever built—a car-size vehicle bristling with cameras, microphones, drills and lasers—blasted off for the red planet Thursday as part of an ambitious, long-range project to bring ...

On second thought, the Moon's water may be widespread and immobile

A new analysis of data from two lunar missions finds evidence that the Moon's water is widely distributed across the surface and is not confined to a particular region or type of terrain. The water appears to be present day ...

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