The sky has always been a canvas ... transform the moon into a striking shade of red, commonly referred to as a “blood moon.” This unusual color change occurs because the Earth’s atmosphere ...

We all know Mars is called “The Red Planet,” but have you ever stopped to wonder—why is it red? The classic joke explanation ...

Stargazers across the U.S. and other parts of the world tilted their eyes up into the night sky before ... in a deep red hue. Its name is partly inspired by its crimson color.