Dyson Spheres are a sci-fi stable. I read Ringworld, a novel by Larry Niven, back in the day. It did a lot to make the public conscious of them.
Surprisingly, some Dyson spheres and ringworlds can be stable
A Dyson swarm made of solar panels would make Earth uninhabitable, suggests study
Some amusing news about them.
Is Dark Energy Getting Weaker? New Evidence Strengthens the Case.
Also, notable space realted news.