Clouds regularly punctuate Earth’s blue sky, but on Venus the clouds never part, for the planet is wrapped entirely in a 20 km-thick veil of carbon dioxide and sulphuric dioxide haze. This view shows ...

I fell in love with them one June twilight long ago, when I first came to Bermuda. For me, these magnificent clouds, piled high to the heavens, tinged and shaded with every colour of orange, purple ...