Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500. Among the uncounted stars in this Universe there may be unnumbered strange new worlds, many of which may have environments...
Grabby Aliens & The Fermi Paradox
Start Forging New Worlds: https://www.worldanvil.com/isaac-arthur The new Grabby Aliens model proposes that the Universe may already contain several thousand immense alien empires... and that we may soon be one of them. See the Grabby Aliens Paper & Presentations:...
Alien Impostors & Doppelgangers
Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500. The idea that some mimic might steal your identity and replace you, or takeover your mind, is terrifying. But could we...
Time Wars & Alternate Timelines
Click the link in the description box or go to https://buyraycon.com/isaacarthur to get 15% off your Raycon purchase! Temporal Paradox and Time Travel delight us in science fiction, but what would a war across time really look like? Visit our Website:...
Dumbest Alien Invasions
Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500. An Alien Invasion of Earth is a terrifying scenario, yet science fiction rarely has good reason for those invasions. Today...
The Fermi Paradox: Technological Timebombs
Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. We often wonder where all the aliens are out in the galaxy, but could it be that the technologies needed to get...
Alien Refugees
Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur Aliens may one day visit Earth not to invade us but to seek refuge from an invasion or other...
The Fermi Paradox: Absent Megastructures
Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur The great mystery of where all the aliens are in our vast Universe contemplates ancient...
The Silurian Hypothesis: What Traces Of Humanity Will Be Left 50 Million Years From Now?
Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500. The Silurian Hypothesis contemplates how long the ruins of a civilization would be detectable, on Earth or even other worlds,...
Surveying for Habitable Interstellar Star Systems
Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. One day humanity might journey to new worlds and settle them, or discover life already on them, but first we'll...
Godlike Aliens
Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. Science Fiction often shows us alien civilizations so advanced they are godlike, but how realistic are they,...
Multi-Species Empires
Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500. Interstellar civilizations home to hundreds of peacefully cooperating alien species are a common theme in science fiction, but...
