Arguably, a hobby’s greatest benefit is derived from its rewards. I’ve been an avid backyard astronomer for 60 years. I still recall the night in 1963 when my high school friend Ray Gerbi showed me ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...

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 ...

The Ancient Egyptians were meticulous astronomers and recorded the passage of the heavens in extraordinary detail. The goal was to mark the passage of time and to understand the will of the Gods who ...

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 ...

HELSINKI, Finland, Dec. 17 (UPI) --Researchers have finally confirmed the ancient Egyptian's direct knowledge of variable star Algol and its periodic eclipses. Algol is one of the best known eclipsing ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...