Astrophotography often misrepresents the naked-eye appearance of celestial colors, as cameras capture saturated colors unattainable by human vision due to limitations in photoreceptor sensitivity. The ...

After the holidays end, winter can be a gray time of year. As I look across my backyard, the ground is covered with snow and the trees are bare. Not much color out there. But what my monochromatic ...

When looking up on a cloudless night, do you notice that stars can sometimes show as different colors? You may even notice yellow, red, orange, and blue stars - not just white. A star's color can ...

Artist’s impression of the old white dwarfs WDJ2147-4035 and WDJ1922+0233 surrounded by orbiting planetary debris, which will accrete onto the stars and pollute their atmospheres. WDJ2147-4035 is ...

What you won’t see, though, are green ones. The reason for this is both a fault in the stars and in ourselves: we don’t see ...

If the weather cooperates, skygazers may catch a glimpse of a shooting star this weekend. The Leonid meteor shower is expected to peak from late night on Friday, Nov. 17 to dawn on Saturday, Nov. 18.

This gorgeous eight-hour exposure reveals the colors of stars as they make their way across the night sky, colors that can inform astronomers about the characteristics of each star. When you purchase ...