
The Bennu Breakthrough, How an Ancient Asteroid May Hold Clues to Life’s Origins
In a landmark discovery, NASA’s OSIRIS-REx mission returned samples from asteroid Bennu that contain all five nucleobases—adenine, guanine, cytosine, thymine, and uracil—the essential building blocks of DNA and RNA. This finding supports the theory that life’s ingredients may have been delivered to Earth via asteroids, offering profound insights into the origins of life on our…