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Tuesday, 20 October 2026

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Japan Launches Groundbreaking Mission to Collect Samples from Martian Moon Phobos

The Japan Aerospace Exploration Agency has successfully launched a spacecraft aiming to collect samples from Phobos, one of Mars's moons, in a mission that could reveal insights into the origins of the solar system.

Archive photo: Japan Launches Groundbreaking Mission to Collect Samples from Martian Moon Phobos
Archive photoPhoto: Self Arranged · Wikimedia Commons · Public domain

Japan has successfully undertaken a historic mission to explore Phobos, one of the two moons of Mars, with the launch of its Martian Moons eXploration (MMX) spacecraft. The unmanned probe, which took off from Tanegashima Space Center on October 20, is expected to collect rock and soil samples from Phobos and return them to Earth by 2029.

The launch marks the first attempt by any nation to retrieve samples from a Martian moon, following multiple unsuccessful Russian attempts to land on Phobos, including one in 2011. Japanese scientists are collaborating with various international space agencies and educational institutions in this significant endeavor.

The MMX mission aims not only to gather samples but also to enhance understanding of how Mars and its moons formed, potentially shedding light on the origins of life in the solar system. The spacecraft is set to arrive near Mars in August of the following year, after which it will enter orbit around Phobos and commence its sampling procedures.

Japan Launches Groundbreaking Mission to Collect Samples from Martian Moon Phobos
Photo: jccwrt · Flickr · BY-SA

Once operational, the MMX spacecraft is designed to collect at least 10 grams of material from the moon's surface, which will be analyzed to provide new insights into Phobos's composition. Scientists anticipate that this data will contribute to broader research concerning planetary formation and the development of life on Earth.

This mission is seen as a key step in laying the groundwork for future human exploration of Mars and its moons, reflecting a growing interest in the Martian region. The collaboration encompasses U.S. and European space agencies as well as numerous universities and tech companies, emphasizing the international nature of space exploration efforts.

The successful launch of MMX underscores Japan's advancements in space technology and its aspirations for significant contributions to planetary science. As this mission unfolds over the next several years, it is expected to offer unprecedented opportunities to study Martian geology and refine theories about the early solar system.