This list of commonly confused terms in astronomy will help you better understand the cosmos and the common phenomena we see in the sky.

Modern astronomy and physics stretch back centuries, so naturally, they've accumulated a lot of interesting names for objects, ideas and phenomena. And let's face it: Some are downright strange. From ...

To put this in "standard" astronomy terms, that is equivalent to measuring the distance to the nearest star, Proxima Centauri, about 4.2 light-years away, with an quantitative accuracy equal to ...

Spot this unique, long-gone constellation. You might be surprised to learn that constellations were only officially approved 101 years ago.