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

How many planets are there in the Solar System? It sounds like an easy question, but it’s more complex than you might think – and actually it’s one we still can’t answer. With scientists finding evide

For the first time, a study has revealed Earth-sized planets orbiting each of the stars in a binary system. An international team found the worlds around a stellar pair called TOI-2267: two small, coo

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

The year 2025 has been a vintage one for astronomy. In January, we were hooked on reports of a building-sized asteroid on course to collide with Earth. The risk was quickly downgraded from worrying to