NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) orbiter is no longer communicating with Earth, after an unknown "anomaly" put it out of contact with NASA’s Deep Space Network. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

In November 2013, NASA's MAVEN spacecraft launched into space, beginning its long journey to Mars. In September 2014, it entered Mars's orbit, and began its mission to study the planet's upper atmosphere, ionosphere, and the interactions the atmosphere has with the solar wind, leading to its escape of the Martian atmosphere.

For over a decade, it has taken measurements of the Martian atmosphere and relayed those findings to Earth via the Deep Space Network, NASA's international array of giant radio antennas t

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