NASA is delaying plans to move the Mars Sample Return program to its next phase of development after an independent review found serious issues with its technical readiness, cost and schedule. Credit: ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Mars Sample Return program has been effectively cancelled, meaning the best evidence of life on Mars could be trapped in ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. NASA is seeking ...

A complex project aimed at retrieving rock and dirt samples from Mars has long been a top priority for NASA, with proponents arguing the mission could answer the age-old question of whether life once ...

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HOUSTON—NASA has established a Moon to Mars Program Office within its Washington-based Exploration Systems Mission Directorate to provide focused oversight of human exploration activities under the ...