Fermi Paradox

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…

2 months ago

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…

3 months ago

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…

4 months ago

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…

1 year ago

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…

1 year ago

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.…

1 year ago

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…

2 years ago

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…

2 years ago

If Alien Probes are Already in the Solar System, Maybe we Could Detect Them Calling Home

According to a new study, alien probes may permeate the galaxy, and could be detected in the Solar System when…

2 years ago

Beyond “Fermi’s Paradox” XVII: What is the “SETI-Paradox” Hypothesis?

Another reason we haven't heard from aliens is that the possibility that every everyone is listening, but nobody's messaging!

2 years ago