Dyson spheres, the hypothetical mega-structures that advanced alien civilizations might use to enclose a star and harness its energy, suffer from a fatal flaw: They are catastrophically unstable. But ...

Dyson spheres, the hypothetical mega-structures that advanced alien civilizations might use to enclose a star and harness its energy, suffer from a fatal flaw: They are catastrophically unstable. But ...

Sometimes, light curves of stars and pulsars have wonky, flickering properties, and some scientists wonder if these light curves could be caused by artificial megastructures built by advanced ...

Dyson spheres and rings could exist in the universe, if we’re dealing with a certain type of star system. One physicist tapped into centuries of research on the three body problem of celestial ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. What would be the ...

A Dyson Sphere is the ultimate sci-fi megastructure — an enormous shell or swarm that could harness the entire energy output of a star. But could we ever actually build one? This video dives into the ...

In 2015, astronomer Tabetha Boyajian and colleagues announced the discovery of unusual light fluctuations coming from a star about 1,500 light-years away. It came to be known as "Tabby's star" or ...

👨‍🔬 I'm a Nuclear Engineer with 10+ years of experience in nuclear power — from engineering ⚙️, operations ⚡, maintenance 🔧, emergency response 🚨, to capital projects 💰. I don’t know everything, ...