Fermi Paradox
Advanced Civilizations Could be Indistinguishable from Nature
Sometimes in science you have to step back and take another look at underlying assumptions. Sometimes its necessary when progress…
Does the Rise of AI Explain the Great Silence in the Universe?
Artificial Intelligence is making its presence felt in thousands of different ways. It helps scientists make sense of vast troves…
After all of This Time Searching for Aliens, is it The Zoo Hypothesis or Nothing?
In 1950, during a lunchtime conversation with colleagues at the Los Alamos National Laboratory, famed physicist Enrico Fermi asked the…
Why Don't We See Robotic Civilizations Rapidly Expanding Across the Universe?
In 1950, while sitting down to lunch with colleagues at the Los Alamos Laboratory, famed physicist and nuclear scientist Enrico…
Civilizations are Probably Spreading Quickly Through the Universe
New research shows how intelligent life might expand in an ever-expanding Universe, which has serious implications for SETI and the…
Maybe we don’t see Aliens Because They’re Waiting to Hear a Signal From us First
We've had a long-running series here at UT on potential solutions Fermi Paradox - why aren't we able to detect…
Maybe We Don’t See Aliens Because Nobody Wants to Come Here
The Fermi Paradox won't go away. It's one of our most compelling thought experiments, and generations of scientists keep wrestling…
Alien Artifacts Could Be Hidden Across the Solar System. Here’s how we Could Search for Them.
Do aliens exist? Almost certainly. The universe is vast and ancient, and our corner of it is not particularly special.…
Before we Develop Self-Replicating Machines to Explore the Universe, we Should Figure out how to Turn Them off Again
In a recent study, aerospace engineer Prof. Alex Ellery proposes a biologically-inspired method that could keep self-replicating robots from running…
Why Would an Alien Civilization Send Out Von Neumann Probes? Lots of Reasons, says a new Study
A new study takes a look at Von Neumann probes and asks the really important questions: "why would aliens send…