What’s better – many small space missions, or a few large, sweeping ones? Space scientists are asking this question as they face budget uncertainties.
- Earth Sciences Postdoctoral Scientist and Adjunct Associate, Dartmouth College
A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.
NASA hasn’t landed humans on Mars yet. But thanks to robotic missions, scientists now know more about the planet’s surface than they did when the movie was released.
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