SUNSET: 
This Week's Sky at a Glance, July 12 – 21
Mercury lurks in the sunset. The July Moon rides low across the sky this week as it waxes from first quarter to full. It occults springlike Spica, then passes summery Antares to hang with the Teapot.
This Week's Sky at a Glance, July 4 – 14
The waxing Moon passes Regulus on its way to occulting Spica July 13th. The Kite of Boötes tilts toward the Dipper. And the largest asteroid is at opposition.
Catch an Exciting Spica Occultation on July 13th
Don't miss Spica's dramatic disappearance at the Moon's dark limb. We also check in on the status of current bright comets.
This Week's Sky at a Glance, June 28 – July 7
It takes hardly more than a glance up these evenings to check for the anticipated eruption of T Coronae Borealis, the Blaze Star.
Is the "Blaze Star" About to Blow? You May Be the First to Know
T Coronae Borealis is a nova star that's due to suddenly — and briefly — brighten. Here's how to see this once-in-a-lifetime event.
This Week's Sky at a Glance, June 21 – 30
The two brightest stars of summer balance across the zenith. Arcturus and Vega represent the two commonest spectral types, and colors, of all the naked-eye stars in the sky.
See the Real Planet Parade
Maximize your planetary pleasure and get re-acquainted with Earth's siblings during the June 29th dawn planet parade.
This Week's Sky at a Glance, June 14 – 23
On solstice week the brightening Moon moves across the evening sky from Spica to Scorpius. On Monday, it helps you find a piece of Centaurus from as far north as southernmost Canada!
This Week's Sky at a Glance, June 7 – 16
The waxing Moon reenters the sky as an evening crescent. Pollux and Castor keep it company. The Big Dipper hangs straight down. And can you still catch wintry Capella? The colder your latitude the better your chance.
This Week's Sky at a Glance, May 31 – June 9
Arcturus and Vega highlight the evening, The Big Dipper quickly pivots. And sorry, tell your friends and family who ask that no "dazzling Parade of Planets" is blazing across the sky. Who makes this stuff up??
This Week's Sky at a Glance, May 24 – June 2
The Big Dipper twists around fast near the zenith, Arcturus almost claims the zenith, the Coma Star Cluster not far away can't quite hide, and T Cor Bor simmers ominously dim.
This Week's Sky at a Glance, May 17 – 26
This week the Moon occults Beta Virginis, then Antares. The last star of the Summer Triangle finally rises before bedtime. On the other side of the sky, the Arch of Spring sinks low.
Severe Geogmagnetic Storm Has Arrived! Auroral Blast Expected Friday Night
A severe geomagnetic storm has just hit Earth — which means we could see auroras tonight! Here's what you'll need to know.
This Week's Sky at a Glance, May 10 – 19
The waxing Moon this week travels eastward from the horns of Taurus past the heads of Gemini, the Beehive in Cancer, then the forefoot of Leo on its way to occulting Beta Virginis.
Comet Tsuchinshan-ATLAS Brightens, Grows a Tail
Are you excited about Comet Tsuchinshan-ATLAS's prospects for a bright appearance this autumn? Guess what? It's already gorgeous.
This Week's Sky at a Glance, May 3 – 12
This week in the moonless dark, the Summer Triangle appears over the eastern treetops star by star. Leo walks down toward the west. And the Sombrero Galaxy positions itself ideally on the south meridian for your telescope.
Ready the Hot Cocoa and Recliner — Here Comes the Eta Aquariid Meteor Shower!
You might be tempted to sleep through this annual shower but then you'd miss seeing some of the fastest meteors around. Not to mention their parent is the most famous comet of all.
This Week's Sky at a Glance, April 26 – May 5
All the planets now huddle around our line of sight toward the Sun. However, these moonless evenings present us the Spring Triangle, the Great Diamond with a sugar sprinkle on its edge, and the Pointers aligned vertically.
This Week's Sky at a Glance, April 19 – 28
Springtime Leo walks high in the south, springtime Hydra snakes a quarter of the way around the celestial sphere, and the bright Moon aligns with Spica.
Jupiter Meets Uranus in Twilight; Supernova Erupts in Nearby Spiral Galaxy
Jupiter aligns with distant Uranus before it exits the evening sky as a bright supernova flares in the southern galaxy NGC 3621.
