Astrobiology is the study o the origin, evolution, distribution, an futur o life in the universe: extraterrestrial life an life on Yird.

Nucleic acids mey nae be the anly biomolecules in the Universe capable o codin for life processes.[1]


  1. "Launching the Alien Debates (part 1 of 7)". Astrobiology Magazine. NASA. 8 December 2006. Retrieved 5 Mey 2014.