The sky guide challenge

From strange lights in the sky to rocks that spontaneously glide across the ground, the mysteries scientists are trying to finally crack

The worst time to look at the Moon is when it’s full, right? Not necessarily. It’s true that at full Moon, sunlight hits the surface head-on, flattening the appearance of its rugged landscape of deep

The beauty of sky gazing is how simple and adaptable it is. Begin whenever you have some time outside or near a window where you can see the sky, even if it’s just a patch. When you feel emotionally overloaded or flat, try it for a few minutes at a time.

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

1 Oct 00:00 AEST (30 Sep, 14:00 UT) 15 Oct 23:00 AEDT (12:00 UT) 31 Oct 22:00 AEDT (11:00 UT) The chart accurately matches the sky on the dates and times shown for Sydney, Australia. The sky is differ

Thursday 2 Dwarf planet Ceres reaches opposition in the constellation of Cetus, shining at mag. +7.6. Find further details on page 47. Friday ▶ 3 Tonight and the night of 17/18 October are good times