Sorry, aliens didn’t build Dyson spheres around these dwarf stars

There are many ways to scour the stars for intelligent life. You can search for radio signatures whose repetitions suggest intentional design, or examine a planet that orbits its star in a so-called Goldilocks Zone conducive for habitation. One of the wildest (but still hypothetically plausible) scenarios involves what’s known as a Dyson sphere.What is a Dyson sphere?Named after physicist Freeman Dyson, the idea hinges on an alien civilization so advanced that they invent a method to direc