Intelligent Aliens May Be All Across the Universe, a Controversial New Theory Suggests
According to an alternative model of how intelligent life emerges on planets like Earth, the existence of aliens—and human ...
Space.com5h
Life as we don't know it: Some aliens may need sulfuric acid like we need water
So, if astrobiologists ever do find alien life with a weird chemistry that uses some liquid other than water, it's not likely ...