SUNSET: 
Amateur Astronomers Find Glowing Gas Arc Near Andromeda
An arc that glows green thanks to doubly ionized oxygen appears near the Andromeda Galaxy in a photo obtained by amateur astronomers.
Easy-to-find Deep-sky Objects for Cold Nights
Cold weather keeping you inside at night? Limit your time outdoors and make the most of your telescope time with these easy-to-find deep-sky gems.
The Case of the Vanishing Nebula
Now you see it, now you don't. McNeil's Nebula in Orion has disappeared, thanks to a drastic reduction in brightness from the protostar that usually provides illumination.
See the Celestial Birds of the Milky Way
Summer is perfect for bird-watching whether that be in the trees or among the stars of the Milky Way. We explore the celestial birds of the season.
Explore the Night with Bob King
Spooky Nebulae for Halloween Nights
While the kids are gathering sweet treats this Halloween, get a celestial scare with these frightful deep-sky sights.
A New Look at the Crab Nebula
A new Hubble Space Telescope image shows the very heart of the Crab Nebula, one of the most studied supernova remnants.
Explore the Night with Bob King
Hunting Giant Planetary Nebulae
Mind your elders the next clear night and pay a visit to some of Spring's biggest and most ancient planetary nebulae.
Observing the Great Orion Nebula
This star-studded pool of misty light provides a feast for observers.
Observing Amazing Nebulae Season by Season
Nebulae are among the most beautiful sights in the night sky but their diffuse nature can make them challenging to locate. Here are a few interesting nebulae, and most are easy to spot.
