UK astrophotographer Josh Dury on night-sky success, his passion for documenting natural skies, a brand-new book and an ...

It is 32% illuminated. Moon phases reveal the passage of time in the night sky. Some nights when we look up at the moon, it is full and bright; sometimes it is just a sliver of silvery light.

"I see my friends in town and then I have to walk about a mile down the towpath at night and you are just praying to God you don't meet a drunk. You just wear your baggiest coat and you hope they ...