The first time we find evidence of life on a planet orbiting another star (an exoplanet), it is probably going to be by analysing the gases in its atmosphere. With the number of known Earth-like planets growing, we could soon discover gases in an exoplanet’s atmosphere that are associated with life on Earth… read more about the story in link…
Some Astronomers Think We Should Be Looking For Hydrogen-Breathing Aliens. Here’s Why
