SMRTR Science & EngineeringDec 10, 2025Scientific American

NASA Loses Signal from Critical Mars Orbiter

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NASA's MAVEN spacecraft, which has been studying Mars' atmosphere since 2014, unexpectedly lost contact on December 6 after disappearing behind the planet. The 11-year-old orbiter serves dual roles as both a scientific instrument and a crucial communication relay for Mars rovers, highlighting vulnerabilities in NASA's aging orbital network that could impact future missions including Mars Sample Return.

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