The Kardashev scale is based on how much energy a civilization uses. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What might we find: little ...

Scientists are facing a chilling paradox: if intelligent life should be common, why is the universe completely silent? This video explores the Fermi Paradox and the Kardashev Scale, explaining how a ...

We have yet to make contact with an extraterrestrial civilization. If they’re out there — and surely they must be — we haven’t the foggiest idea what they might be like. Or do we? Given what we know ...

For decades, the search for extraterrestrial intelligence has largely been predicated on a specific assumption: that advanced civilizations will inevitably grow, expanding their energy consumption and ...