SUNSET: 
Is Betelgeuse Approaching a Crossroads?
Astronomers all over are waiting with bated breath to see what Betelgeuse will do next. Is it going to start brightening again on February 21st? Or will it continue to surprise?
The Latest on Betelgeuse, Plus a Bright Supernova and New Comet Iwamoto
The sky provides. This winter, the fading of Betelgeuse caught us all by surprise. Now, as January wraps up, we can add a new comet discovery and a supernova bright enough to see in a 6-inch telescope to an ever-growing list of seasonal sky wonders.
See Ancient “North Stars" Eclipse Each Other
The ancient pole star known as Thuban turns out to be an eclipsing binary. If you're up for a challenge, you can see the eclipses for yourself.
Explore the Night with Bob King
Betelgeuse is Dimming . . . Why?
The bright star Betelgeuse has faded to a historic low as astronomers try to figure out why.
Treasure Hunting in the Hall of the Deep-Sky King
Cepheus, the King, has hidden his treasure well but not so much that curious amateurs can't find more than enough to stuff their pockets.
Meet Spica, the Ear of Grain
Meet Spica, the "ear of grain" in the constellation Virgo. This bright star is actually part of a binary orbiting so closely, they tug each other out of spherical shapes and whirl around each other every four days.
Hunting Bright Variable Stars in M5 and M13
Globular clusters are packed with variable stars, some of which are easy to see and follow in amateur telescopes. We explore M5 and M13, two of the season's finest.
Twinkle, Twinkle Quasi-Star — 12 Quasars for Spring Evenings
Quasars are among the brightest and most distant objects in the universe. Many are visible in amateur scopes if you know just where to look. We'll help you track them down.
Supernova Discovered in the Bright Galaxy M77
A new supernova in the bright galaxy M77 in Cetus is within range of amateur telescopes. Here's how to find it.
Explore the Night with Bob King
Trick-or-Treat with the Seven White Dwarfs
In the Halloween spirit, we pay a visit to the cosmic dead, those tiny stars that should just fade away but always seem to be causing trouble instead.
Explore the Night with Bob King
R Coronae Borealis Awakes and Pluto Blocks a Star
Sometimes, it's just as exciting to watch a celestial object fade or disappear as it is to see it explode. We celebrate the "return" of a mysterious variable star and prepare for Pluto to occult a star.
Observing Carbon Stars
Expand your observing plans by adding a few of these red-orange carbon stars.
Explore the Night with Bob King
Dwarf Nova V392 Persei Goes Big — It's Now Binocular Bright
In a rare move, a sleepy cataclysmic variable blows its top and suddenly becomes a nova.
Put a Little Bit of Leo in Your Life
We lift the Lion's paw to find a bright, red variable star, a germinating planetary nebula, galaxies rarely visited, and a diversity of doubles.
Mira Makes January Nights "Wonderful"
Mira, one of the easiest-to-observe pulsating variable stars, reaches peak brightness this month. Don't be shy, come look her in the eye.
Invite Ross 128 Over This Thanksgiving
With exoplanet Ross 128b in the news, we pay a visit to the star that sustains this potentially habitable exoplanet.
Bright Supernova Erupts in NGC 5643 in Lupus
A recently discovered supernova in Lupus now shines around magnitude +11.5, bright enough to see in a modest telescope. With photos and maps, we'll get you there. I wished I lived in Georgia and not just for the peach trees and warmer weather. No, I'd be able to get up early…
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.
Is T CrB About to Blow its Top?
The recurrent nova T Coronae Borealis last made a splash just after World War II. Does its current restive state hint at an imminent outburst?
Meet My Variable Friend SS Cygni
Get acquainted with SS Cygni, the sky's brightest cataclysmic variable star. It's guaranteed to keep you on your toes.
