Astronomers have identified seven star systems in our galaxy that could potentially host a Dyson sphere — a hypothetical megastructure an alien civilization could build around a star or black ...

A swarm of comets flying by, en masse? An alien megastructure? Then, in 2019, a team of astrophysicists proposed a new, more plausible explanation. That might finally solve the mystery of Tabby's ...

The mystery of the "alien megastructure" star may finally be settled. In 2015, a rumor spread about the star KIC 8462852. It was proposed that the star might harbor an alien race. The rumor ...

The concept of a Dyson swarm is purely a hypothetical concept, a theorized megastructure consisting of numerous satellites or habitats orbiting a star to capture and harness its energy output.