Learn more about the top theories about how life began on Earth, and how it may not have started from scratch.
In 2023, NASA’s OSIRIS-REx mission delivered samples of the 4.6-billion-year-old asteroid Bennu to Earth. Upon examining them, scientists discovered that the asteroid – which existed when the Solar ...
NASA OSIRIS-REx sample collection event at Asteroid Bennu saw the spacecraft plunge its arm into the surface. Find out how deep it went. Credit: NASA Goddard Space Flight Center ...
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