I mean water and oxygen are needed for a life form on this planet but may not be needed on other bodies...
Rite now, our planet has carbon based life form who knows before us there may have been a different life form or may be in future we may have a silicon based life form.
I think all the research organizations and the researchers come up with a research idea ... everyone jumps on the bandwagan and then try to get funding from govt and just fool everyone.
