A ring or sphere could, apparently, be stable if surrounded by the right sizes and gravities of other stars.

As civilizations become more and more advanced, their power needs also increase. It's likely that an advanced civilization ...

A photovoltaic Dyson sphere is a theoretical megastructure that could provide vast amounts of energy for interstellar space travel and large-scale technological endeavors.

As civilisations become more and more advanced, their power needs also increase. It’s likely that an advanced civilisation ...