The protomolecule

The protomolecule is a fictional, alien biotech entity featured in the "Expanse" universe. It was created by an ancient civilization to transform and reprogram biological matter, often for the purpose of survival or expansion. When introduced on Earth, it quickly begins to reconfigure living organisms and environments, leading to unpredictable and often dangerous changes. Its primary characteristics include advanced adaptability, the ability to manipulate biological systems at a molecular level, and acting as a catalyst for rapid evolution or transformation. Ultimately, the protomolecule represents a formidable form of alien technology that challenges human understanding and control.