"A planet orbiting not just a binary, but a binary brown dwarf, as well as being on a polar orbit, is rather incredible and ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

If you like it then you should put a ring on it. Saturn is home to the Solar System’s most epic ice rink. Being so far from the Sun, the water in its rings is frozen into ice. It is one of four ...

HR 8799 is a pretty young planetary system, only 30 million years old, compared to our 4.6 billion-year-old solar system. Its ...

Planet 12. . . . If you had asked 20 years ago if we understood the formation of the solar system, I think most astronomers would have said that we understand it pretty well. But in the last 25 ...