
The planets around white dwarf stars might provide long-term homes for alien life, but they suffer from a fatal overheating problem. Who's going to rescue them? According to new research, it's none other than Albert Einstein.
White dwarfs are the compact remnants of dead sun-like stars. They litter the universe, with the Milky Way alone home to hundreds of millions of them. And because they can stay warm for hundreds of billions of years, they are a very intriguing place to search for life.