Jupiter’s famous clouds aren’t ammonia ice but a murky mix of chemicals, sitting lower in the atmosphere than expected. For years, astronomers believed that Jupiter’s upper clouds — responsible for it ...

If you want to taste summer in a cup, you can do no better than Erewhon's Coconut Cloud Smoothie. But here's the reason for ...

The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

Known as Noctilucent or night-shining clouds, twilight clouds are typically seen on Earth during the summer, but this time, ...