As an astronomer, I collect stars. There are several hundred billion of them in our Galaxy, the Milky Way, so it’s important to find a way to categorise them. While others might rank their stars by co

Amazing answers to your curious questions

Is it a bird? Is it a spaceship? No… it’s a non-rigid airship

Projecting our consciousness into other bodies and walking on alien worlds might not be such a far-flung concept

Astronomers are now regularly detecting planets thousands of light years from Earth – but have we missed one in our own Solar System?

An artist’s impression of Cha 1107-7626 accreting material ...