Well, at least that means no alien invasions anytime soon.
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.
Life needs more than water and the right temperature to exist. New research suggests that only a small number of planets ever ...
For life to develop on a planet, certain chemical elements are needed in sufficient quantities. Phosphorus and nitrogen are essential. Phosphorus is vital for the formation of DNA and RNA, which store ...
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Is this why we haven't found aliens? Scientists claim looking for planets with water is pointless
Scientists hunting for life beyond Earth have long thought that water is one of the key indicators. But a group of experts now says that looking for life on water–rich planets could be a waste of time ...
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