The Opinion Board·Nov 2Could Aliens Have Visited Earth Before Humans Existed to NoticeThe scientific case for pre-human visitation is more rigorous than you think — and more unsettling.A response icon7A response icon7
O BIR·Oct 24Occam’s Lifeboat: A New Take on the Fermi ParadoxWhat if we’re looking for company in the wrong place — or simply expecting the universe to be smaller than it is?
The Friedel Chronicles·Oct 19The Fermi discussion — 2Where, asked physicist Enrico Fermi, are they all? Aliens from other star systems. There are many explanations for why we find no traces of…A response icon1A response icon1
The Friedel Chronicles·Oct 14The Fermi Paradox: possible solutionsWhy isn’t Earth crawling with alien life forms? Why don’t we find traces of past visitations? Here are some possible explanations — one is…
Future Human Hypothesis·Oct 12What Is the Kardashev Scale, and Does It Still Make Sense?The most famous yardstick for alien civilizations measures how much they burn. What if that is the wrong thing to measure?
Feiming Chen·Oct 11Consequences for Human Civilization with the Rise of AI MachinesAs artificial intelligence becomes increasingly powerful, one of the greatest risks to human civilization may not come from an openly…
The Sandbox Universe·Sep 28Is the Fermi Paradox About Walls, Not Distance?The usual version of the Fermi paradox asks why, in a universe this old and this large, we see no sign of anyone else. Most answers focus…
The Late Signal·Sep 25Where Is Everybody?The universe has had an almost unimaginable amount of time to produce something else. Something we could hear. Something we could…
What If Science·Sep 20The Fermi Paradox Explained: “Where Is Everybody?”-AndThe Fermi Paradox is one of the most fascinating and unsettling mysteries in modern science. More than seventy years after physicist Enrico…A response icon1A response icon1