The Sky Guide Challenge

This month, see if you can locate the presence of a black hole at Cygnus X-1 This month’s challenge is unusual in that the object you’re trying to find can’t be seen. Cygnus X-1 is a source of X-rays in our Galaxy and the first such source to be attributed to the presence of a […]
Deep-sky tour

Take in galaxies in the vicinity of Triangulum, the Triangle
At a glance

How the Sky Guide events will appear in October
Astronomy

sciencefocus.com
The Autumn Grand Tour

The highlights of the new stargazing season
Hubble out of trouble

How NASA fixed the Hubble Space Telescope
Explainer: What space rocks tell us about the Solar System

What space rocks tell us about the Solar System
DIY Astronomy: Make a counterbalance system

Make a counterbalance system
Capture: Imaging the Double Cluster

Turn your camera towards Perseus to find the bejewelled handle of The Hero’s sword
APY Masterclass: How to enrich a nebula’s colours

APY Masterclass How to enrich a nebula’s colours