VIRGINIA BEACH, Va. – The best time of day to collect a wastewater sample is in the morning. That's according to Raul Gonzalez, an environmental scientist who's an expert on how people's hygiene ...
An artist's conception of the fetch rover approaching a sample collection tube. Editor at Large For nearly half a century, NASA has been talking an awfully good game about its much-heralded Mars ...
Second time's the charm. Sample tube 266 contains the rover's first rock, which NASA hopes to bring back to Earth on future missions for further study. Reading time 2 minutes For the Perseverance Mars ...
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