Is it possible for non-carbon based lifeforms to exist?,(reply>), @Mountain Fisher interesting. It's a fascinating field. Makes me wonder about undiscovered elements, dark matter, dark energy. An alien periodic table ha,(reply>), No, absolutely not. No element has the atomic resonance of Carbon to make the thousands of compounds needed for the simplest cyanbacteria, the first life for on our planet. Only astrophysicists and astronomers believe in SETI in such a high number for the field. Few biologists or chemists, nor paleontologists believed in SETI or the Drake Equation when it first came out. Astronomers are not qualified to say what biology is. Astrobiology has nothing to study except speculation. It is not science, but they call speculation science now. The science field is becoming more bankrupt and political each passing year. Where are the testable hypothesis from the speculations, guesses of the Drake equation?