Some believe the Betz mystery sphere, a steel ball that a Florida family found on their property in 1974, is a piece of alien ...

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

As per a new study, Dyson spheres around faint stars in the galaxy could offer new techno-signatures clues.

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

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 ...