alien megafauna | Isaac Arthur

Cosmic Megafauna – Could Giant Alien Life Forms Exist?

Space is big—but could life out there be even bigger? Join us as we ask just how enormous alien life can get—and what it might look like. Watch my exclusive video Fishbowl Starships - Water As Shielding -...

Giant Space Monsters

Sci-fi thrills us with enormous space monsters and Kaiju, but could the galaxy already be home to such leviathans? Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur-the-fermi-paradox-air Get Nebula using my link for 40% off an annual...