Hydrogen-breathing aliens? Study suggests new approach to finding extraterrestrial life

Hydrogen-breathing aliens? Study suggests new approach to finding extraterrestrial life

In our search for extraterrestrial life, we tend to look at ‘conventional’ Earth-Like exoplanets, searching for atmospheres for recognizable bio-signatures. This makes sense, after all, we only have one sample of a life hosting planet in the universe. Still, it could be smart to also look at different indicators, as alien life might use dissimilar chemistry to our own. In a new study, scientists argue to broaden our search. Professor of Planetary Geosciences, David Rothery, explores the topic in this article.