Scientists discovered that methyl halides, a gas produced by microbes, could be a biosignature for life on distant planets.
"But what we are saying is that we have a potential biosignature, which is a set of features that could have a biological ...
Our camp at night. Right in the center of the star trail, the two Magellanic Clouds give visions of alien worlds. Credit photo: Victor Robles, Campoalto and the SETI Institute NAI Team. What can Earth ...