A star may shine for tens of billions of years and ... “The assumptions they are making have to do with how we define different colors,” Kafka says. In prior eras, observers had no standards ...

Some nights the cables would shine a bright blue ... While the weather beacon atop Boston’s Hancock building glows with different colors depending on the forecast — or in the event of a ...

Different shapes or arrays of melanosomes ... matte feathers and feathers with a glossy shine. Scientists had never found structural colors in the feathers of paleognaths like cassowaries and ...

But—and this isn’t unrelated—they also shine with brilliant hues ... stars are all hot, yet their different temperatures give them different colors. How hot is “hot”?