French astronomer Charles Messier's list of the best and brightest deep sky objects is popular with skywatchers of all experience levels. During the new moon period in early spring each year, it's ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you spend any time with astronomers, sooner or later, you'll hear them use the phrase "M" ...

Anyone spotting a globular star cluster like M13 for the first time through an amateur telescope will recognize a fascinating white spot, which at first glance could also be a comet without a ...