Q&a with a galaxy evolution expert

The prevailing Nobel Prize-winning theory that the Universe is expanding at an ever-accelerating rate due to the unseen influence of dark energy has been called into question by a new study. Astronome

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

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

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

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

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