As the universe ages, so too do its stars. The Sun, our life-giving star, will eventually fade, plunging Earth into an eternal winter. However, there might be alien civilizations — far beyond our ...

In broad terms, a stellar engine uses a star to generate work. A simple example is solar panels, which use the sun's ...

The stellar engine idea dates back to science fiction author Olaf Stapledon. A couple of decades after Stapledon, astronomer Fritz Zwicky also discussed manipulating stars with advanced technology, ...