Bright blue-white noctilucent clouds danced over the town of Nykøbing Mors in Denmark just before dawn, just when this spectacular photo was taken. Night sky photographer Ruslan Merzlyakov ...

Is it a plane? Not quite, says the Met Office. This large glowing spiral was spotted in the night sky across the UK and Ireland on Monday evening. Stargazers from as far north as Denmark and as far ...