A few months ago, I got a bit obsessed with a question about life on Mars: When—or if—“life” becomes the most parsimonious explanation for a handful of potential biosignatures, how will we know? Would we even admit it? This story grew from that question. www.scientificamerican.com/article/has-...
Has NASA already found life on Mars?
In searches for past and present Martian life, some scientists say we’ve been too cautious to see what’s right in front of us
scientificamerican.com