Invasive Aliens

Invasive Aliens

Get a free month of Curiosity Stream: http://curiositystream.com/isaacarthur Alien Invasions have been a staple of science fiction for years, with motherships and UFOs assaulting Earth, but how realistic is such a thing? We'll take a look at what might motivate an...

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Void Ecology

Void Ecology

Sign up with Skillshare for 2 months of Free classes: https://skl.sh/isaacarthur12 The possibility of extraterrestrial life on other worlds has long fascinated us, as has the idea of alien life living in space itself, but while the former is often considered quite...

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Secret Aliens

Secret Aliens

Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ The possibility that aliens might be regularly visiting Earth is one of the most popular Fermi Paradox solutions. In this episode we will look at UFOs and flying saucers theories and arguments, as well...

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The Fermi Paradox & Panspermia

The Fermi Paradox & Panspermia

Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ Our current theory of evolution holds that all life on Earth originated from a single, simple life form billions of years ago. But what if that life did not originate on Earth? In this episode we'll...

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The Fermi Paradox: Dark Forest Theory

The Fermi Paradox: Dark Forest Theory

The Dark Forest Theory is a proposed solution to the Fermi Paradox from Cixin Liu which suggests all alien civilizations remain intentionally quiet, hiding from SETI efforts and possible hostile civilizations. It also argues they may attack any civilization which does...

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Fermi Paradox: Into the Void

Fermi Paradox: Into the Void

The Fermi Paradox asks us where all the alien civilizations are? Today we will ask if the might be hiding in the Voids, from those between the stars to the massive Supervoids like the Boötes Void. Could they be home to Extraterrestrial Empires so large they dwarf even...

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The Million Year Ark

The Million Year Ark

A Journey to the Edge of Time and Space Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ As we continue our look at Generation Ships, vast vessels designed to carry many thousands of colonists to distant and alien worlds centuries away, we must ask...

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Parasitic Aliens

Parasitic Aliens

Use my link http://www.audible.com/isaac or text "ISAAC" to 500-500 to get a free book including a copy of "Who Goes There?" and a 30-day free trial of Audible. Alien puppeteers arriving on UFOs, body snatchers, and mimics are a staple of science fiction, but are they...

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Galactic Humanity & the Fermi Paradox, Part 1

Galactic Humanity & the Fermi Paradox, Part 1

Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ Watch Part 2: https://youtu.be/tbvmxo90F9I For today's 2-part episode we team again with John Michael Godier to discuss the future of humanity should we head out to colonize the galaxy and find it empty,...

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Cyclic Apocalypses

Cyclic Apocalypses

A look at the possibility of future civilizations rising and falling. Visit our sponsor: https://skl.sh/isaac It's long been observed that empires tend to rise and fall in a seeming cycle, never identical but sharing many similarities. Today we will examine the idea...

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Ancient Aliens

Ancient Aliens

The possibility that ancient civilizations might have encountered or even been influenced by extraterrestrials has fascinated us for as long as we knew there were distant suns they might visit from. Today we will examine the evidence and consider the numerous...

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Alien Beacons

Alien Beacons

Astronomers have been looking for signs of extraterrestrial signals for decades, and not yet found any. Today we will examine the notion of Interstellar Beacons and ask just how far away you can be heard if you want to be. Visit our Website: http://www.isaacarthur.net...

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