To appreciate the significance of blue lurkers, we must revisit the history of the globular cluster M3 (also known as NGC 5272). Discovered in 1764 by French astronomer Charles Messier ...

Read Showing a large portion of M66, this Hubble photo is a composite of images obtained at visible and infrared wavelengths. The images ...

Messier found Halley's Comet on January 21 ... which he named M2 and M3. In 1764, he summarized 18 objects from his observations and 22 objects from other catalogs. In 1771, he succeeded Nicholas ...