The Andromeda constellation was known already to ancient Greeks. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Andromeda constellation ...

Andromeda is one of the 88 modern constellations that was likely known and named long before it appeared on Ptolemy’s list in the second century CE. But my experience is that more people associate the ...

LAST month, we looked for the constellation of Cygnus, the swan. I like to think of our next target, the constellation of Aquila, the eagle, as a little sister to Cygnus: it is also named after a bird ...