"Deep Sky Companion" at the Cahill Center for Astronomy and Astrophysics. Credit: Lia Halloran For her latest exhibition, called “Deep Sky Companion,” artist Lia Halloran was inspired not by the ...

It’s been six months since astronomy clubs around the globe hosted events for the Messier marathon. The goal of this single-night observing challenge is to catch all 109 deep-sky objects in French ...

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 ...

Every spring, amateur astronomers around the world take on the challenge of trying to observe all 110 objects in Charles Messier's storied catalog of deep-sky objects in a single night. Because of the ...