Citizen scientists catch star exploding in real time

Sometime in the next year or so, if predictions are to believed, you’re going to be hearing a lot about a famous star. T Coronae Borealis, or T CrB for short, was the first well-observed nova, blossom

In the 17th century, the great maritime nations were vying to solve a puzzle that had confounded philosophers for many centuries: how to determine exact positions on the Earth’s surface. And in Britai

TRAPPIST-1 is a red dwarf star located about ...

From colliding galaxies to supermassive black holes, we take a look at some of the strangest sights in the universe

I looked out of the window before bed while on holiday in Orkney in mid-August and was delighted to see my first-ever noctilucent cloud display! The reflections in the still waters of the Bay of Firth

Our showcase of finalists from the ZWO Astronomy Photographer of the Year Awards 17