Scientists say amino acids produced by life are distributed differently and more diversely than amino acids produced by non-living chemical reactions, thereby providing a truer signature of life.

Scientists propose new way to find aliens — and we may already have a spacecraft that can help

Source: space
Source Link: https://www.space.com/space-exploration/search-for-life/scientists-propose-new-way-to-find-aliens-and-we-may-already-have-a-spacecraft-that-can-help