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 ...

As a proprietary cousin to spirulina, Blue Majik has all of the touted algae’s enzyme, mineral, and B-vitamin properties with the added benefit of a sky-blue hue.

Over 6,000 years, Proto-Pama-Nyungan split into different dialects, and those dialects turned into different languages: about 300 of them at the time of the European settlement of Australia.

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 ...

Blue jays and cardinals get their vivid hues of blue and red, respectively, in different ways – and efforts to understand why may help create coloured displays for devices such as e-readers.