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

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that the next won’t happen until 2040.

And some sky-gazers will be able to glimpse a cosmic magic trick when the moon appears ... Look for it in the east each night, as well as in the northwest at dawn. Mars isn’t the only planet ...