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 question of how black holes grow should be an easy one to answer: they absorb material from their surroundings. But despite their fearsome reputation, supermassive black holes don’t rampage throug

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 ...

How do astronomers currently think the Universe is expanding? Astronomers have long believed the Universe is expanding at an accelerating rate, driven by what we call ‘dark energy’. This led to a mode

Using Webb, researchers detected several complex carbon-based molecules ...