Is water enough to find alien life? New research reveals phosphorus and nitrogen are crucial. Discover the 'chemical ...
Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit.
Scientists may need to broaden their horizons in their search for alien life.
Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...
Well, at least that means no alien invasions anytime soon.