Researchers have detected strange radio signals coming from deep space. These mysterious radio waves might just be bursts of cosmic energy from a distant neutron star. Or it could be that scientists have discovered a highly-advanced civilization 90 light-years away from Earth. 00:00 Scientists Discovered Traces of Type II Civilization 00:34 Kardashev Scale 01:18 Type I Civilization 02:12 Hostread 03:49 Dyson sphere 05:33 Type II civilization Questions or concerns? Contact us at underknown.com/contact Interested in sponsoring our episodes or collaborating? Email us: inquiries@underknown.com Get our 100 best episodes in one mind-blowing book: bit.ly/ytc-the-what-if-100-book Join this channel to get access to perks: youtube.com/channel/UCphTF9wHwhCt-BzIq-s4V-g/join Check out our other channels: How to Survive: bit.ly/how-to-survive-show Aperture: bit.ly/aperture-show Your Body On: bit.ly/your-body-on-show Watch more what-if scena...