What's going on with the strangest star in the galaxy? Aliens! Okay, probably not, but let's be serious for a moment: if an alien Dyson Swarm exists, this is probably what it looks like to our technology.
We talk to Yale's Tabetha Boyajian, the scientist leading the team that discovered the star known in the scientific community as the WTF Star (Why the Flux, of course). So what is really surrounding this star, if not alien megastructures? Our guests: