In Amiri’s calculations, Dyson spheres around white dwarfs tend to produce cooler, fainter thermal emission that peaks in the near- to mid-infrared, while M-dwarf cases can radiate more strongly but ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

Scientists may be closer to finding evidence of aliens than ever before. Dozens of nearby stars are emitting unexplained infrared radiation. One possible explanation involves advanced alien ...