A rover got a new view of some peculiar extraterrestrial clouds, flecked in rainbow colors and moving across the Martian sky. Curiosity, a set of NASA's robotic "eyes" on the Red Planet, recorded 16 ...

Bright multi-colored clouds shining in the night sky above Mount Jökultindur in Iceland on Jan. 25. The dark skies in the Arctic Circle recently shone with ethereal multi-colored light. But this ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A spectacular movement of rainbow-colored clouds has been spotted in the skies above Scotland. The rare view was captured ...

Arctic observers got a rare festive treat when rainbow-colored clouds appeared in the skies. So-called polar stratospheric clouds were seen over Norway, Sweden, Finland, Alaska, and Scotland. Some saw ...

These noctilucent clouds, reflecting light from the sun after sunset, have been visible in Martian skies for the past four fall seasons. Credit: NASA / JPL-Caltech / MSSS A rover got a new view of ...