Dyson postulated that an alien civilization with advanced technology would dismantle a Jupiter-sized planet to construct the sphere. A Dyson swarm is a variant of a Dyson sphere.

Is it possible to build a Dyson sphere that isn't catastrophically unstable? New research says yes, but only in one type of star system.

After surveying 5 million stars throughout our galaxy, researchers identified seven that may host Dyson spheres: super-advanced alien megastructures.

More information: T Ren et al, High-resolution imaging of the radio source associated with Project Hephaistos Dyson Sphere Candidate G, Monthly Notices of the Royal Astronomical Society: Letters ...

This image shows what a Dyson sphere could look like. Signs of these energy-collecting megastructures may have been detected around seven stars. ISTOCK / GETTY IMAGES PLUS ...

Researchers have identified at least seven stars in our galaxy that may be surrounded by super-advanced alien megastructures, known as Dyson spheres. However, this is not the only explanation for ...

Study finds potential Dyson Sphere megastructure candidates in the Milky Way Scientists say mysterious objects found in the Milky Way fit the bill for something many never thought possible.