How far away it is: 93 million miles (150 million km) ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

A new international project promises to “revolutionise” our knowledge of the solar system through discovering millions of its ...

The discovery of the exoplanet, a super-Earth called Kepler-735c, is all down to something called transit timing variations, ...