News > The search for Extraterrestrial life as we don’t know It
The search for Extraterrestrial life as we don’t know It
29/01/2023 02:03 PM | Click to read full article
Sarah Stewart Johnson wandered away from the other young researchers she was with and toward a distant ridge of the 13,800-foot summit. Much of astrobiology research involves searching for chemical “biosignatures”—molecules or combinations of molecules that could indicate the presence of life.What if extraterrestrial life didn’t have DNA or RNA or other nucleic acids? What if their cells got instructions in some other biochemical way?