Every star you see at night broadcasts its temperature through color, yet one shade sits permanently off the menu. The ...

When we think of color in the night sky, we often think of beautiful images of galaxies and nebulae. Unfortunately, most of the time, their faint, diffuse light shows no color to our human eyes. Stars ...

The color of stars has been noted from antiquity and the names of many stars reflect their visible color. The red Antares is the heart of the scorpion. The brightest star Sirius is derived from the ...

Astronomers study stars by looking at the different colors of light they emit—colors they capture and analyze using spectroscopy. Now a team led by Université de Montréal's Étienne Artigau has ...

Imagine gazing up at the night sky and spotting a brilliant emerald star twinkling among the familiar reds, yellows, and blues. Yet despite the universe’s vast stellar palette, this particular hue ...