Why are Uranus and Neptune two different hues of blue? ... 40 photos from NASA's epic 'grand tour' mission. This image of the planet Uranus was taken by the spacecraft Voyager 2 in 1986.

It’s very hard to make them in the lab. That’s why the YInMn Blue was never predicted before, although, companies have been looking for a new blue pigment for hundreds of years. The last blue pigment ...

It turns out that humanity's favorite hue isn't constant. A 2015 survey by YouGov found that blue was the most popular color worldwide. Meanwhile, in 2017, a survey of 30,000 people across 100 ...