Algol makes up one of the "eyes" of Medusa's head that Perseus carries. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

This week, skywatchers will have the chance to catch a winking "demon star" in the night sky. The star, known as Algol, is located in the constellation of Perseus, the Hero, and has been known since ...

There is a group of variable pairs of stars known as Algol-type binaries. They are named after the prototype member of this class: Algol, a bright multiple star system in the Perseus constellation. In ...