Scientists turn back time to track methane emissions on Mars

NASA's Curiosity rover landed on Mars in August 2012, and its investigations revealed that Mars was once a potentially habitable planet. One of Curiosity's most exciting observations has been periodic, unusually high abundances ...

The mission of a lifetime: a drone on Titan in 2034 (Update)

Elizabeth Turtle was overjoyed when, on June 26, she received a call from NASA: her project to send a drone quadcopter to Titan, Saturn's largest moon, was given the green light, which came with a budget of nearly a billion ...

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