Messier’s “lost” object, M102, has been a subject of controversy since the catalog was first published in 1781. Some astronomers think spiral galaxy NGC 5866, imaged here by the Hubble Space ...

You’ll find this often overlooked Messier object 2.6° southwest of Mu (μ) Sagittarii. You’ll definitely spot the Trifid Nebula (M20) first. When you do, look slightly northeast for M21.

Planetary nebulae have nothing to do with planets. They simply appeared kinda like planets in telescopes long ago, their ...

In this edition of Mobile Astronomy, we'll tell you how to "run" a Messier marathon and catch all 110 objects on Messier's list in the night sky.

The Hubble team shared the image of M14 on March 19 as part of what’s called a Messier Marathon, an attempt by amateur astronomers to observe all 110 objects in a short time frame; the skygazing ...

The objects will be designated by their "M-codes" — M1 through M110 (or Messier 1 through Messier 110). Amateur astronomers refer to the group as the Messiers.

If you can see and count all 110 Messier objects, the marathon is done. On the night of 23-24 March 1985, Gerry Rattley from Dugas, Arizona, ...

French astronomer Charles Messier was born on June 26, 1730. Messier published the Catalogue of Nebulae and Star Clusters. A ...