SUNSET: 
Take a Roller Coaster Ride with Algol, a Fast Eclipsing Binary
How would you like to see a star drop two magnitudes in the time it takes to eat dinner? Easy to do. Just check out one of these fast eclipsing binaries — they'll make your head spin.
Cool Off with Pluto This Summer
Pluto might be a challenging target but it's well worth the effort. Grab your telescope and see if you can spot this distant, chilly world.
500 Days Until the Total Solar Eclipse Over Antarctica
Travel to the ends of the Earth to experience a special — but risky — total solar eclipse in Antarctica.
Comet NEOWISE Dazzles at Dusk
Comet NEOWISE has captivated skywatchers with its stunning tail. Now that it's moved into the evening sky and climbing higher each night even more people will get a chance to see it.
Explore the Night with Bob King
Comet NEOWISE Delights at Dawn
Skywatchers are treated to a naked-eye comet as NEOWISE emerges into the the dawn sky.
Anticipation Grows for Comets NEOWISE and Lemmon
Two comets spark excitement for the coming week — NEOWISE might reach naked-eye visibility at dawn, while Lemmon will be visible in binoculars at dusk.
Watch the Moon Pair Up with Venus on June 19th
Two crescents — the Moon and Venus — meet in the sky in the wee hours of June 19th.
Nights of Noctilucent Clouds
Noctilucent clouds shimmer high in the sky during summer twilight at northerly latitudes.
Evenings with the Ring Nebula
Everyone loves this cosmic donut. Like Saturn, the Ring Nebula is a must-see for beginners and seasoned amateurs alike. Whether you're just cutting your deep-sky teeth or attempting to see its central star — one of visual astronomy's Holy Grails — the Ring has it all.
95 Sunrises Along the Columbia Riverbank
Margaret Greenwood explores the changing location of sunrises throughout the year.
How Bright Are the Planets?
What do Venus and Jupiter have in common? Revisions to planets' magnitudes in this year's Astronomical Almanac have revealed some surprises.
Globular Clusters Await: Hello, Messier 3!
Globular cluster season is here. Time to get out your charts, binoculars, and telescopes and enjoy these wondrous objects.
Explore the Night with Bob King
See Spring's Finest Spiral Galaxies
Spring skies offer some of the best sights of spiral galaxies. Point your scope at some of these magnificent cosmic whirlpools.
See the Phases of Venus
If you have a set of binoculars or a telescope, watch for Venus’s thinning crescent over the next couple weeks.
Explore the Night with Bob King
Supernovae Light Up in M61 and NGC 3643
Two new supernovae for amateur telescopes are keeping things lively this month.
Comet SWAN Expected to Put on a Splendid Show
Comet SWAN will grace northern skies in the days to come.
Explore the Night with Bob King
Chase a Potentially Hazardous Asteroid As It Flies by Earth
Break out your binoculars or a small telescope, we've got a busy week ahead! Watch as a bright asteroid approaches Earth, the Moon steals a star, and Comet ATLAS's last hurrah.
Meet Dubhe, Giant of the Big Dipper
Of the seven stars in the Big Dipper, Dubhe is an outlier. Its color, speed across the sky, and evolutionary age set it apart from its comrades.
New Comet Alert! Quartet of Comets Grace Our Skies
There's a lot happening in the northern sky these days, namely lots of comets! Comet ATLAS (C/2019 Y4) is still worth watching, but look for the new Comet SWAN (C/2020 F8) and Comet ATLAS (C/2019 Y1). And you can still catch a glimpse of our old friend, Comet PanSTARRS (C/2017 T2).
Shadow-casting with Venus
Venus has a been powerful presence at dusk for months — bright enough to cast shadows. How would you like to put it to the test? The Moon won't spoil the darkness until at least April 24th — April 25th if you wait till after moonset — making it the perfect time to see your own shadow by the light of another celestial body.