SUNSET: 
Explore the Night with Bob King
Explore Craters in the Lunar Arctic
Put on a coat, set up your scope, and become a polar explorer as we visit off-the-beaten-path craters and maria in the Moon's arctic vastness.
Explore the Night with Bob King
Bright Prospects for Comets in 2017
Comet lovers have much to look forward to in the new year with six potential bright binocular comets and at least two others for modest backyard telescopes.
Explore the Night with Bob King
Colored Double Stars, Real and Imagined
Colorful lights twinkle everywhere during the holiday season, including up above in some remarkably tinted double stars. Find out what makes them so alluring.
Explore the Night with Bob King
Comet Campaign Seeks Imagers Worldwide
Calling all imagers! Three comets will make close flybys of Earth over the next two years. Join a new pro-am effort to make the most of this rare triple play.
Explore the Night with Bob King
Uranus: In Seventh Heaven with Planet Seven
With our eyes often glued to the bright classical planets, Uranus is easy to overlook. Now well-placed for viewing at a convenient hour, why not pay this pale blue dot a visit the next clear night?
What is a Supermoon? Facts vs. Fiction
The perpetuation of the supermoon myth is mostly motivated by desire for publicity. But much of what we call the supermoon is just our eyes playing tricks on us.
8th-magnitude Nova in Sagittarius
A nova in Sagittarius, discovered a few nights ago by a Japanese amateur, has become bright enough to see in binoculars.
Resolving Andromeda — How to See Stars 2.5 Million Light-Years Away
At 2.5 million light-years away, you might think it's impossible to see individual stars in the Andromeda Galaxy. Let its largest star cloud, NGC 206, show you the way.
Explore the Night with Bob King
Will the Real Albireo Please Stand Up?
A stunning double star, Albireo is also a bit of an enigma. Is it a true binary or the result of a chance alignment?
A Little Guide to Lunar Domes
With this week's waxing Moon, we set off to explore its volcanic past with a look at a dozen intriguing lunar domes.
Polarized Light: From Blue Sky to Egg Nebula
Bees see polarized light and use it to navigate to honey. Learn how you can use it to crack the Egg Nebula.
Explore the Night with Bob King
Palling Around With Palomar Globular Clusters
The intriguing Palomar globular clusters will challenge observers with modest to large telescopes, while providing a satisfying ramble around the galactic halo.
Comet 29P/Schwassmann-Wachmann 1 Blows Its Top . . . Again!
An otherwise faint and distant periodic comet underwent a bright outburst at the end of last month. Now it's visible in amateur telescopes at nightfall.
Astrophotography with Jerry Lodriguss
How to Photograph a Meteor Shower: Capturing the Perseids
Learn how to photograph a meteor shower with these step-by-step instructions, as well as advice for the advanced imager.
See Two Tricky Occultations — Neptune and Lambda (λ) Aqr
Now you see 'em, now you don't. Watch the Moon occult Neptune and nearby Lambda Aquarii on the same night.
Paddle the Milky Way's Dark River
Take an imaginary journey in a boat down the Milky Way's Great Rift, exploring rich star clouds and dark nebulae along the way.
What are the Phases of the Moon?
The phases of the Moon are determined by the relative positions of the Moon, Earth, and Sun.
Explore the Night with Bob King
Aurora at Your Fingertips
A survey of free services and apps that let you keep tabs on space weather so you can anticipate the next great aurora.
Astronomy and Stargazing Projects
Hunting White Dwarfs, the Night's Stellar Peewees
Take a trip down the rabbit hole to the weird and weighty world of planet-sized white dwarf stars.
Explore the Night with Bob King
Saturn's Splendid Summer Show
It's showtime for the King of the Rings! Time to get your telescope out to see and share Saturn, which comes to opposition this week.
