At least 50 billion planets in our own Milky Way galaxy are likely to be free-floaters ... and the presence of Sedna, a dwarf planet which lies on the very outer reaches of our solar system.

Thus, these white dwarf stars can serve as unique, if distant, laboratories for studying the insides of demolished planets that are ... dwarfs cataloged by the Milky Way-mapping Gaia telescope ...

The most common stars in the Milky Way may be even ... research suggests that red dwarf stars, stellar bodies smaller and less massive than the sun, may blast their planets with intense ...

Moons are locked in orbit around planets ... Large galaxies, like the Milky Way, attract smaller galaxies. Our solar system's cosmic neighborhood spans 100,000 light-years and contains between 100 ...