is a science writer. She is the Latin America correspondent for Science, and her work has also appeared in Wired and Slate. She lives in Mexico City.
Aeon for Friends
It wasn’t the Martians’ fault their planet died. Should they existed – once – Martians were microbes that are likely residing in a world just like our personal, warmed by an atmosphere and crisscrossed by waterways. But Mars begun to lose that atmosphere, perhaps because its gravity wasn’t strong enough to hold it was gradually blown away by solar winds onto it after an asteroid impact, or perhaps. The reason continues to be mysterious, however the ending is obvious: Mars’s liquid water dried up or froze into ice caps, leaving life without its most precious resource. Continue reading “Whenever we meet aliens, it won’t be a friendly encounter nor a conquest: it is a gold rush. Can we be sure it’s ethical?”