The team has determined that the star is a white dwarf, a system resembling what our sun-Earth system will look like in 8 billion years. The good news: the planet ... mass black holes in the ...

Astronomers spotted a potential Earth-size rocky world orbiting a white dwarf, suggesting a future in which our planet outlives its star. By Jonathan O’Callaghan In six billion years the sun ...

The planetary system with a white dwarf, an Earth-like planet and a brown dwarf cannot ... events caused by free-floating stellar-mass black holes in the Milky Way. The discovery is part of ...