Is there any form of life on Earth that does NOT use water?

There is NO form of life on earth not requiring water for living. Life on this planet is dependent on fluid water, absolutely. There is no life on earth with steam or ice or without water. read more

Until now, the only life forms known to live exclusively in anoxic conditions were viruses, bacteria and Archaea. But in a new study, scientists have discovered three new multicellular marine species that appear to have never lived in aerobic conditions, and never metabolized oxygen. read more

No, not on Earth, anyway. There are organisms that can survive as spores without water, but all require water. The reason is that life here is based around the chemistry of carbon, oxygen, nitrogen, calcium, phosphorous, and Hydrogen. Not only does water form a highly useful solvent for such chemistry, it forms naturally under any conditions where such chemistry can occur--so far as we know. read more