The search for alien life takes many forms, from identifying Earth-like planets to scanning for extraterrestrial signals.

Scientists Believe They Have Found a Quicker Way to Search for Aliens, Say They Belong to Advanced Civilizations Astronomers ...

A cosmologist suggests we should look for exploration, along with energy signatures, to try and find aliens. Dyson spheres of some kind may be built to harvest energy from dark matter in black holes.

When analyzing light coming from a star, any dip in that curve suggests that an object (often a planet) is in transit around the giant ... Could We Really Build a Dyson Sphere?

including Dyson spheres around every star, attaining 1,036 watts per second. A Dyson sphere would likely be a swarm of solar collectors rather than a solid shell. This "Dyson swarm" would be ...

The simple reason for a solid sphere or shell being ... could be in an orbit around the star, yet otherwise fulfill the requirements of a so-called Dyson swarm of independent structures.

Among many theories such as a huge belt of debris or passing asteroids, was the Dyson Sphere hypothesis; a massive hypothetical structure that in some way encompasses a star to soak up all of its ...