Blue is the rarest flower color, seen on only 10 percent of the 280,000 flowering plants on Earth.Among those who specialize in color analysis, it is sometimes claimed that, in reality, there has n… ...

You can watch this month's full Flower Moon, also a "Blue Moon," rise over Rome in a live broadcast from the Virtual Telescope Project. Tune in today (May 18) to see the show, starting at 1:45 p.m ...

Global flower colour frequency for human visual perception (A) shows when considering animal pollinated species less than 10% are blue (B), and for wind pollinated flowers almost none are observed ...