NASA’s OSIRIS-REx Mission Unveils Secrets of Life’s Beginning with Asteroid Bennu Samples

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NASA’s OSIRIS-REx mission has delivered samples from asteroid Bennu, revealing organic molecules and a salty environment that could have formed life’s ingredients. The findings suggest early solar system conditions were ripe for life, raising hopes for discovering life on other planets.

NASA’s OSIRIS-REx mission has made groundbreaking discoveries about the origins of life. After seven years in space, the spacecraft returned samples from asteroid Bennu, a remnant from the dawn of the solar system. Scientists have analyzed these samples and found both organic molecules and remnants of a wet and salty environment.
These discoveries are significant because they provide insights into how life’s building blocks might have formed. The presence of organic molecules, which are essential for life, suggests that the conditions necessary for life were widespread in the early solar system. The samples also contain a history of saltwater, which could have served as a “broth” for these compounds to interact and combine.
While the findings do not show evidence of life itself, they increase the odds that life could have formed on other planets and moons. The mission has rewritten the textbook on the beginnings of our solar system, providing a time capsule into Earth’s history. The OSIRIS-REx mission is part of NASA’s New Frontiers Program, managed by the Marshall Space Flight Center in Huntsville, Alabama.


  1. What did NASA’s OSIRIS-REx mission discover?
    The mission discovered organic molecules and remnants of a wet and salty environment in samples from asteroid Bennu.
  2. Why are these discoveries significant?
    These discoveries suggest that the conditions necessary for life were widespread in the early solar system, increasing the odds that life could have formed on other planets and moons.
  3. What is the significance of the organic molecules found?
    The presence of organic molecules indicates that the building blocks of life were present in the early solar system.

  4. How did the salty environment contribute to the formation of life’s ingredients?
    The salty environment could have served as a “broth” for organic compounds to interact and combine, potentially leading to the formation of life.

  5. What does this mean for the search for life beyond Earth?
    These findings raise hopes for discovering life on other planets and moons, as they suggest that the necessary conditions for life were present in the early solar system.


NASA’s OSIRIS-REx mission has provided a profound understanding of the early solar system’s potential for life. The discovery of organic molecules and a salty environment in asteroid Bennu samples sheds new light on how life’s ingredients might have formed. This mission is a significant step towards understanding the origins of life and potentially discovering life beyond Earth.


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