Isaac Arthur

The Medusa Spaceship Drive

Published on 2024-12-21

Building Biospheres: Engineering Self-Sustaining Ecosystems for Future Worlds

Published on 2024-12-21

The Stanford Torus Space Habitat

Published on 2024-12-21

Ultra-Relativistic Spaceships: Racing Towards the Speed of Light

Published on 2024-12-21

Space Elevators: Strategies & Status

Published on 2024-12-19

Gravitic Spaceship Propulsion

Published on 2024-12-15

Off The Grid: Technological Autonomy

Published on 2024-12-12

The Fermi Paradox & Gravity: The Heaviest Obstacle To Life, The Universe... And Everything?

Published on 2024-11-21

Aliens Have Contacted Us... Now What?

Published on 2024-11-21

Nuclear Fusion: Updates & Impacts

Published on 2024-11-21

Harvesting Planets: Space Mining and the Future of Resource Extraction

Published on 2024-11-21

Early Terraforming: The First Steps in Planetary Transformation

Published on 2024-11-21

Dark Stars: Ancient Mysteries From The Dawn Of Time

Published on 2024-11-21

Posthuman Pathways: Strange And Awesome Destinations On Humanity's Future Journeys

Published on 2024-11-21

Ghost Armadas & Primordial Galactic Wars

Published on 2024-10-31 | Archived on 2024-12-20

Ocean Habitats: Artificial Islands, Raft Cities, Submarine Structures, and more…

Published on 2024-10-21

Fungal Aliens: Exploring the Possibility of Fungal-Based Extraterrestrial Life

Published on 2024-10-21

Colonizing Io: Can Humanity Thrive on Jupiter’s Fiery Moon?

Published on 2024-10-21

Life As An Asteroid Miner

Published on 2024-10-21

Surveillance in the Digital Age: Is Privacy Going Extinct?

Published on 2024-10-21

The Fermi Paradox: Large Moons - Are Massive Moons The Key To Extraterrestrial Life?

Published on 2024-10-03 | Archived on 2024-12-20

Transcendence: The Fermi Paradox, Enlightenment & Singularity

Published on 2024-09-21

Anachronistic Technology: Ancient Tech Future Times

Published on 2024-09-21

The Library of Babel: The Quest for Knowledge in an Infinite Cosmic Library

Published on 2024-09-21

Stellar Nomads: Wanderers of the Cosmos

Published on 2024-09-21

Gardens Of The Moon: Building Habitable Ecosystems on Earth's Natural Satellite

Published on 2024-09-21

The Cities of Mars: Exploring Martian Cityscapes

Published on 2024-09-12 | Archived on 2024-12-20

Retrocausality: Cause After Effect

Published on 2024-08-25 | Archived on 2024-12-20

Published on 2024-08-22 | Archived on 2024-12-20

The Next Technological Revolution: What’s Coming?

Published on 2024-08-21

Life As A Planetary Governor

Published on 2024-08-21

Nomadic Miners On The Moon

Published on 2024-08-21

Self-Repairing Machines

Published on 2024-08-21

Were Primitive Humans Uplifted By Aliens?

Published on 2024-08-11 | Archived on 2024-12-20

The Fermi Paradox: Migration

Published on 2024-08-08 | Archived on 2024-12-20

Do We Live In A Cosmic Void?

Published on 2024-07-30 | Archived on 2024-12-20

What Color Are Brown Dwarfs?

Published on 2024-07-23 | Archived on 2024-12-20

The Fermi Paradox: Fine Tuned Universe

Published on 2024-07-21

Dormant Alien Empires: Could Advanced Civilizations Be Sleeping?

Published on 2024-07-21

Interstellar Colonization Compendium

Published on 2024-07-21

Cyborg Civilizations: Humanity’s Future or Alien Reality?"

Published on 2024-07-21

Roko's Basilisk: Dangerous Knowledge & All-Powerful AI

Published on 2024-07-21

Free Will, Quantum & Orchestrated Objective Reduction

Published on 2024-07-21

Megastructures: Hollow Earth

Published on 2024-07-21

What is a Blue Dwarf Star?

Published on 2024-07-20 | Archived on 2024-12-20

Stars & Stellar Populations

Published on 2024-07-15 | Archived on 2024-12-20

How Much Is An Asteroid Really Worth?

Published on 2024-07-09 | Archived on 2024-12-20

The Dust Storms Of Mars #science #space

Published on 2024-07-02 | Archived on 2024-12-20

Published on 2024-06-22 | Archived on 2024-12-20

What If The Dinosaurs Hadn't Died Off?

Published on 2024-06-21

Published on 2024-06-21

The Fermi Paradox: Timebombs

Published on 2024-06-21

Alternative Intelligence: The Other A.I.

Published on 2024-06-21

Memetic Weapons

Published on 2024-06-18 | Archived on 2024-12-20

Paradise Planets

Published on 2024-06-16 | Archived on 2024-12-20

Skydiving From Up In Space

Published on 2024-06-11 | Archived on 2024-12-20

Orbital Ladders

Published on 2024-06-08 | Archived on 2024-12-20

What are Cosmic Strings ?

Published on 2024-06-04 | Archived on 2024-12-20

Published on 2024-06-02 | Archived on 2024-12-20

Colonizing Ganymede

Published on 2024-05-30 | Archived on 2024-12-20

Space Freighters, Cargos & Crews

Published on 2024-05-26 | Archived on 2024-12-20

Galactic Empires & Cosmic Capitals

Published on 2024-05-21

Colonizing White Dwarfs: Reviving Dead Star Systems

Published on 2024-05-21

Rivers in Space & Water From Stars

Published on 2024-05-21 | Archived on 2024-12-20

Published on 2024-05-18 | Archived on 2024-12-20

What Is "Biological Immortality"?

Published on 2024-05-14 | Archived on 2024-12-20

Alien Embassies

Published on 2024-05-12 | Archived on 2024-12-20

The Fermi Paradox: Interdiction

Published on 2024-05-09 | Archived on 2024-12-20

Pushing Ice & Moving Comets

Published on 2024-05-07 | Archived on 2024-12-20

The Medusa Starship Drive

Published on 2024-05-04 | Archived on 2024-12-20

The Banks Orbital: God’s Bracelet

Published on 2024-05-02 | Archived on 2024-12-20

Colonization & Habitability Of Binary Star Systems

Published on 2024-04-28 | Archived on 2024-12-20

Equatorial Space Launchers

Published on 2024-04-23 | Archived on 2024-12-20

Published on 2024-04-21

VASIMR: Variable Specific Impulse Magnetoplasma Rocket

Published on 2024-04-20 | Archived on 2024-12-20

Living In Lunar Lava Tubes

Published on 2024-04-18 | Archived on 2024-12-20

What Are Your Odds Of Being Hit By A Meteorite

Published on 2024-04-16 | Archived on 2024-12-20

Defending Earth

Published on 2024-04-11 | Archived on 2024-12-20

Journey Into The Future With SFIA!

Published on 2024-04-09 | Archived on 2024-12-20

The Fermi Paradox: The Cronus Scenarios

Published on 2024-04-07 | Archived on 2024-12-20

How Old Are The Canals On Mars?

Published on 2024-04-02 | Archived on 2024-12-20

Multi-Planetary Empires

Published on 2024-03-31 | Archived on 2024-12-20

Kugelblitz Black Holes

Published on 2024-03-28 | Archived on 2024-12-20

4-Dimensional Gravity & Habitable Universes

Published on 2024-03-26 | Archived on 2024-12-20

Chandelier Cities

Published on 2024-03-23 | Archived on 2024-12-20

What is a 'Hubble Volume'?

Published on 2024-03-19 | Archived on 2024-12-20

Settling the Martian Mars: Phobos & Deimos

Published on 2024-03-14 | Archived on 2024-12-20

Hammer Habitats

Published on 2024-03-12 | Archived on 2024-12-20

Alien Beer Is To Die For...

Published on 2024-03-10 | Archived on 2024-12-20

Is Terraforming Planets Ethical?

Published on 2024-03-07 | Archived on 2024-12-20

Life on an Interstellar Ark Ship

Published on 2024-02-29 | Archived on 2024-12-20

Planetary Bracelets & Stripworld Megastructures

Published on 2024-02-27 | Archived on 2024-12-20

Can We Terraform The Moon?

Published on 2024-02-22 | Archived on 2024-12-20

When Will Most Cars Be Self Driving?

Published on 2024-02-20 | Archived on 2024-12-20

Bubble Planets & Ederworlds

Published on 2024-02-13 | Archived on 2024-12-20

Space Homesteading: Life On The Final Frontier

Published on 2024-02-08 | Archived on 2024-12-20

When Was Cosmic Inflation After The Big Bang?

Published on 2024-02-06 | Archived on 2024-12-20

Published on 2024-01-30 | Archived on 2024-12-20

Lagrange Point Space Settlement

Published on 2024-01-25 | Archived on 2024-12-20

What is the Goldilocks Zone?

Published on 2024-01-23 | Archived on 2024-12-20

Published on 2024-01-14 | Archived on 2024-12-20

Space Infrastructure: Statites, Lagites, Quasites, and Non-Keplerian Orbital Craft

Published on 2024-01-07 | Archived on 2024-12-20

Solar Shades for Venus

Published on 2024-01-02 | Archived on 2024-12-20

SFIA's Final Monthly Livestream: New Year's Eve - Sunday, December 31 , 2023 4pm EST

Published on 2023-12-31 | Archived on 2024-12-20

Neutron Star Collisions #space

Published on 2023-12-26 | Archived on 2024-12-20

Cometary Oceans For Mars

Published on 2023-12-19 | Archived on 2024-12-20

Published on 2023-12-12 | Archived on 2024-12-20

Selecting Crew For A Spaceship

Published on 2023-12-07 | Archived on 2024-12-20

Alien Soil #space #spacecolonization

Published on 2023-12-05 | Archived on 2024-12-20

Valley Houses - Green Canyons on Mars #space #spacecolonization #nasa

Published on 2023-11-28 | Archived on 2024-12-20

Published on 2023-11-26 | Archived on 2024-12-20

Too Late To Hide In The Dark Forest

Published on 2023-11-21 | Archived on 2024-12-20

Martian Solar Mirrors

Published on 2023-11-18 | Archived on 2024-12-20

What is a Zombie Star?

Published on 2023-11-14 | Archived on 2024-12-20

Published on 2023-11-12 | Archived on 2024-12-20

How Many Black Holes & Dead Stars In The Galaxy?

Published on 2023-11-07 | Archived on 2024-12-20

Can The Moon Keep An Atmosphere?

Published on 2023-11-04 | Archived on 2024-12-20

Fortress Worlds

Published on 2023-10-26 | Archived on 2024-12-20

Banks Orbital - God's Bracelet

Published on 2023-10-24 | Archived on 2024-12-20

Bishop Ring Space Habitat

Published on 2023-10-21 | Archived on 2024-12-20

Spaceship Factories

Published on 2023-10-12 | Archived on 2024-12-20

McKendree Cylinder Space Habitat

Published on 2023-10-10 | Archived on 2024-12-20

Mysterious Cosmic Explosion

Published on 2023-10-07 | Archived on 2024-12-20

Titan vs Ganymede: Which Is The Largest Moon?

Published on 2023-10-03 | Archived on 2024-12-20

Science & Futurism Shorts Compilation #1: 1-20 October 1, 2023

Published on 2023-10-01 | Archived on 2024-12-20

Have Space Suit - Will Travel

Published on 2023-09-28 | Archived on 2024-12-20

The Great Filter - Are We Doomed or Exceptional?

Published on 2023-09-26 | Archived on 2024-12-20

How Many Stars & Galaxies Could We Colonize?

Published on 2023-09-23 | Archived on 2024-12-20

Atmospheric Mining

Published on 2023-09-21 | Archived on 2024-12-20

The Fermi Paradox: Fallen Empires

Published on 2023-09-17 | Archived on 2024-12-20

China Brain Hive Minds

Published on 2023-09-16 | Archived on 2024-12-20

Interplanetary Infrastructure

Published on 2023-09-14 | Archived on 2024-12-20

Nuclear Bomb Cannons

Published on 2023-09-12 | Archived on 2024-12-20

Loud & Quiet Aliens

Published on 2023-09-09 | Archived on 2024-12-20

It’s Never An Earth-like Planet

Published on 2023-09-03 | Archived on 2024-12-20

Would A Lightsaber Set You On Fire?

Published on 2023-09-01 | Archived on 2024-12-20

Published on 2023-08-29 | Archived on 2024-12-20

Published on 2023-08-26 | Archived on 2024-12-20

Von Braun Wheel Space Station

Published on 2023-08-22 | Archived on 2024-12-20

Nuclear Lightbulb Spaceship Drive

Published on 2023-08-19 | Archived on 2024-12-20

Published on 2023-08-17 | Archived on 2024-12-20

The Bernal Sphere

Published on 2023-08-15 | Archived on 2024-12-20

Published on 2023-08-13 | Archived on 2024-12-20

Is Our Galaxy Going To Collide With Andromeda?

Published on 2023-08-08 | Archived on 2024-12-20

Planets vs Megastructures - SFIA 750,000 Subscriber Special Edition

Published on 2023-08-06 | Archived on 2024-12-20

Lunar Space Elevators

Published on 2023-08-03 | Archived on 2024-12-20

SFIA Monthly Livestream: Sunday, July 30, 2023 4pm EST

Published on 2023-07-30 | Archived on 2024-12-20

Will Humans In Space Be Taller?

Published on 2023-07-28 | Archived on 2024-12-20

Dropships & Drop Pods

Published on 2023-07-27 | Archived on 2024-12-20

Astrochickens & Von Neumann Probes

Published on 2023-07-22 | Archived on 2024-12-20

Ammonia-Based Lifeforms

Published on 2023-07-20 | Archived on 2024-12-20

Deciphering Alien Codes

Published on 2023-07-18 | Archived on 2024-12-20

Published on 2023-07-11 | Archived on 2024-12-20

Hegemonizing Swarms

Published on 2023-07-08 | Archived on 2024-12-20

Birch Planets: Galaxy-Sized Worlds

Published on 2023-07-05 | Archived on 2024-12-20

Building Artificial Planets

Published on 2023-07-01 | Archived on 2024-12-20

Aliens Beyond the Galactic Rim?

Published on 2023-06-26 | Archived on 2024-12-20

Non-Equatorial Space Elevators

Published on 2023-06-19 | Archived on 2024-12-20

Artificial Afterlives

Published on 2023-06-15 | Archived on 2024-12-20

BWC Megastructures & Artificial Planets

Published on 2023-06-13 | Archived on 2024-12-20

Published on 2023-06-08 | Archived on 2024-12-20

Published on 2023-06-06 | Archived on 2024-12-20

Colonizing the Kuiper Belt

Published on 2023-06-01 | Archived on 2024-12-20

Published on 2023-05-14 | Archived on 2024-12-20

The Fermi Paradox: Searching For Dyson Spheres

Published on 2023-05-04 | Archived on 2024-12-20

Published on 2023-03-02 | Archived on 2024-12-20

SFIA Monthly Livestream: Sunday, February 26, 2023 4pm EST

Published on 2023-02-26 | Archived on 2024-12-20

Using Asteroids As Spaceships

Published on 2023-01-26 | Archived on 2024-12-20

What If We Never Become Post Scarcity?

Published on 2023-01-12 | Archived on 2024-12-20

Black Holes & Dark Matter

Published on 2022-07-28 | Archived on 2024-12-20

The Fermi Paradox: Absent Megastructures

Published on 2022-07-21 | Archived on 2024-12-20

SFIA Live from the International Space Development Conference: May 29, 2022

Published on 2022-05-29 | Archived on 2024-12-20

Dark Sky Stations, Stratospheric Satellites, and Ultra Low Orbit Infrastructure

Published on 2022-05-26 | Archived on 2024-12-20

Lost Space Colonies

Published on 2022-05-15 | Archived on 2024-12-20

SFIA Monthly Livestream: March 27, 2022

Published on 2022-03-27 | Archived on 2024-12-21

Published on 2022-03-17 | Archived on 2024-12-21

Creating Synthetic Life

Published on 2022-03-13 | Archived on 2024-12-21

SFIA Monthly Livestream: February 27, 2022

Published on 2022-02-27 | Archived on 2024-12-21

Published on 2022-02-17 | Archived on 2024-12-21

The Future of Solar Power

Published on 2022-02-03 | Archived on 2024-12-21

Technological Telepathy

Published on 2022-01-16 | Archived on 2024-12-21

The New Dawn: The Orion Project Spaceship Revitalized

Published on 2022-01-06 | Archived on 2024-12-21

SFIA Monthly Livestream: December 26, 2021

Published on 2021-12-26 | Archived on 2024-12-21

Escaping the Galaxy

Published on 2021-12-23 | Archived on 2024-12-21

Space Settlement & Territory: Staking & Jumping Claims

Published on 2021-12-12 | Archived on 2024-12-21

Upcoming Advances in Material Science

Published on 2021-12-09 | Archived on 2024-12-21

Solar System Colonization Strategies

Published on 2021-11-11 | Archived on 2024-12-21

Help Trash Eating Robots Clean up our Oceans with #TeamSeas

Published on 2021-10-29 | Archived on 2024-12-21

Published on 2021-10-28 | Archived on 2024-12-21

Standing Out In A Civilization of Trillions

Published on 2021-10-07 | Archived on 2024-12-21

Stealth Spaceships

Published on 2021-09-12 | Archived on 2024-12-21

Human-Machine Teaming

Published on 2021-09-09 | Archived on 2024-12-21

The Edge of the Universe

Published on 2021-08-26 | Archived on 2024-12-21

Fusion Propulsion

Published on 2021-08-19 | Archived on 2024-12-21

Aliens Artifacts & Xenoarcheology

Published on 2021-08-15 | Archived on 2024-12-21

The Next Space Station

Published on 2021-08-12 | Archived on 2024-12-21

The Galactic Laboratory

Published on 2021-07-29 | Archived on 2024-12-21

The End of Earth

Published on 2021-07-22 | Archived on 2024-12-21

The Geopolitics of Space Colonization

Published on 2021-07-10 | Archived on 2024-12-21

Brain-Computer Interfaces

Published on 2021-06-24 | Archived on 2024-12-21

Can We Build A Death Ray?

Published on 2021-06-13 | Archived on 2024-12-21

Future Manhattan Projects

Published on 2021-06-10 | Archived on 2024-12-21

Post-Human Species

Published on 2021-04-22 | Archived on 2024-12-21

Creating a Sense of Purpose in a Post-Scarcity Society

Published on 2021-04-15 | Archived on 2024-12-21

Exo-Stellar Civilizations

Published on 2021-03-14 | Archived on 2024-12-21

Colonizing Giant Stars

Published on 2021-02-25 | Archived on 2024-12-21

Orbital Bombardment

Published on 2021-02-18 | Archived on 2024-12-21

Zero-Gravity Civilizations

Published on 2021-02-04 | Archived on 2024-12-21

SFIA Monthly Livestream: January 31, 2021

Published on 2021-01-31 | Archived on 2024-12-21

Interstellar Navigation

Published on 2020-12-17 | Archived on 2024-12-21

Terraforming: Forging New Worlds

Published on 2020-12-13 | Archived on 2024-12-21

Surviving the Next Century

Published on 2020-12-03 | Archived on 2024-12-21

Interstellar Trade & Cyclers

Published on 2020-11-12 | Archived on 2024-12-21

Becoming a Kardashev-1 Post-Scarcity Civilization

Published on 2020-11-05 | Archived on 2024-12-21

Terrifying Aliens

Published on 2020-10-29 | Archived on 2024-12-21

Published on 2020-10-22 | Archived on 2024-12-21

Response and Analysis of Recent UFO Disclosures from the US Military

Published on 2020-10-11 | Archived on 2024-12-21

Colonizing Cislunar Space and the Lagrange Points

Published on 2020-09-10 | Archived on 2024-12-21

The Fermi Paradox: Galactic Disasters

Published on 2020-08-20 | Archived on 2024-12-21

Talkative Aliens

Published on 2020-08-16 | Archived on 2024-12-21

Coming and Going: Navigating Space Between Megastructures

Published on 2020-08-13 | Archived on 2024-12-21

The Impact of Superconductors

Published on 2020-08-06 | Archived on 2024-12-21

The Impact of Graphene

Published on 2020-06-25 | Archived on 2024-12-21

Published on 2020-06-18 | Archived on 2024-12-21

Published on 2020-06-14 | Archived on 2024-12-21

Benevolent Aliens

Published on 2020-05-28 | Archived on 2024-12-21

Antimatter Factories & Uses

Published on 2020-05-21 | Archived on 2024-12-21

Living Stars & Conscious Stellar Objects

Published on 2020-05-17 | Archived on 2024-12-21

Parallel Universes & Alternate Realities

Published on 2020-05-14 | Archived on 2024-12-21

The Future of Garbage

Published on 2020-04-19 | Archived on 2024-12-21

Non-Carbon Based Life

Published on 2020-04-16 | Archived on 2024-12-21

The Fermi Paradox: Whispers in the Night

Published on 2020-03-19 | Archived on 2024-12-21

A Tribute to Freeman Dyson: Architect of the Future

Published on 2020-02-29 | Archived on 2024-12-21

Genetically Altering Living Organisms

Published on 2020-02-27 | Archived on 2024-12-21