BOOK EXCERPT Astral manoeuvres in the dark — magical stargazing in the Northern Cape 5 min 1 By Chris Marais
ANALYSIS New documentary shines a light on the environmental damage caused by Elon Musk’s tech ambitions 4 min 19 By Rebecca Davis
The Conversation Why light pollution may be linked to greater risk of Alzheimer’s disease 4 min 1 By Rahul Sidhu
THE CONVERSATION Light pollution has cut humanity’s ancient connection with the stars – but we can restore it 4 min 2 By Or Graur
THE CONVERSATION Soon, 1 out of every 15 points of light in the sky will be a satellite 4 min 0 By Samantha Lawler
