What colours we see depends not just on how things are in the world around us, but also on what happens in our eyes and our brains.
When crustaceans are cooked, some chemicals in their shells react with heat and change colour.
How our life experiences change the way we perceive colours.
Claude Monet painted The Magpie in winter 1868, turning his interest in colour on the blank canvass of snow.
Turkish painter Esref Armagan uses colour and perspective that he has never seen.
From Superman to Jurassic Park, green screen technology is what makes the jaw-dropping effects you see in blockbuster movies possible. But how does it work?
An unlikely combination of artists, medieval historians, philosophers and scientists have converged to create an exhibition of glass artworks.
It has long been known that colour and emotion are linked – so could colour could be used as a language to express how we feel?
Colour can have surprising effects on us, which we are only now beginning to understand.
The brain processes colour in more ways that just creating visual images – here's how.
People across the globe all see millions of distinct colors. But the terms we use to describe them vary across cultures. New cognitive science research suggests it's about what we want to communicate.
Georgina, age 5, wants to know why rainbows are round.
Indian girls grow up in an environment where they are constantly reminded that fair is beautiful.
Scientists continue to invent new colours for new applications thanks to nanoscale structures.
Red is the colour of life, of danger and of good luck.
New research shows pink cricket balls can be extra difficult to see in those crucial minutes when day turns to night during play.
Many images of planets have been manipulated. So have we seen their true colours? Not always, it turns out. But Jupiter's red spot really is red.
Indigo, pink, saffron: colour for India isn't just for throwing. It's political, too.
The pink ball introduced to this year's day night cricket test can be difficult to see for some players, especially if they are colour blind. There is a better choice of colour.
Scientists have shown how tiny organic tissue remnants in fossils correspond to the pigments in the animals' original skin and hair.