SUNSET: 
This Week's Sky at a Glance, November 21–29
Mars remains visible in the southwest during and after twilight, with the crescent Moon passing it this week.
When Algol Winks, Will You Wink Back?
The dark ways of Algol the Demon Star, and what it can teach us about stellar evolution.
This Week's Sky at a Glance, November 14 – 22
Some daily sky sights among the ever-changing Moon, planets, and stars. Friday, November 14 Keep an eye on little Mars in the southwest at dusk. It will keep hanging in there month after month through this winter, as constellations of the zodiac slide behind it. Last-quarter Moon (exact at 10:16…
Make Way for the Wintermaker
The grand figure of Orion the Hunter brightens November skies, rising around 9 p.m. local time in late November. Johannes Hevelius, 1690 Orion the Hunter is arguably one of the most recognizable constellations in the sky. Striding the celestial equator, he charges up from this eastern horizon around 9 o'clock…
This Week's Sky at a Glance, November 7 – 15
Some daily sky sights among the ever-changing stars and planets. Friday, November 7 The Moon, just past full, rises in the east at dusk. Once it climbs high, look for orange Aldebaran to its lower left and the Pleiades to its upper left. Catch Mercury in Saturday's dawn, as shown…
Tour November's Sky: Cassiopeia
A mythic drama plays out in the stars above on November evenings. Taking center stage, almost directly overhead at nightfall, is Cassiopeia, the Queen.
This Week's Sky at a Glance, Oct. 31 – Nov. 8
Sky & Telescope's weekly celestial events calendar, with sky views, charts, and selected astronomy sights for your unaided eyes, binoculars, or a telescope.
Exoplanets for the Mind's Eye
While we may never see a planet orbiting a star other than the sun that doesn't mean we can't go there in a flight of fancy.
This Week's Sky at a Glance, October 24 – November 1
Some daily sky sights among the ever-changing stars and planets The monster sunspot continues in view; see "This Week's Planet Roundup" below. Friday, October 24 As the stars come out, Deneb is nearly straight overhead for skywatchers at mid-northern latitudes. Brighter Vega is west of the zenith. Altair is farther…
How Many Pleiades Can YOU See?
Most of us are familiar with the Seven Sisters, but have you met their brothers? Learn how to find more Pleiades than first meet the eye.
Jupiter-size Sunspot Group Now in View
A gigantic sunspot group, rotating into view on October 17th, has grown to nearly the size of Jupiter and could trigger potent solar storms in the days ahead.
This Week's Sky at a Glance, October 17 – 25
Some daily sky sights among the ever-changing stars and planets Monster sunspot alert — see "This Week's Planet Roundup" below. Friday, October 17 Before dawn Saturday morning, Jupiter shines above the waning Moon, as shown at right. Although they look rather close together, Jupiter is 2,100 times farther in the…
Zodiacal Light - Captivated by Comet Dust
October's a perfect time to see the zodiacal light, a tapering tower of comet dust standing high in the eastern sky before dawn. Here's how to find it.
This Week's Sky at a Glance, October 10 – 18
Some daily sky sights among the ever-changing stars, Moon, and planets.
Night Owls Prepare for October 8th's Lunar Eclipse
You'll need to be up after midnight to watch the Moon plunge deep into Earth's shadow tomorrow morning — but it'll be worth it. Sometimes astronomical events occur in prime time — soon after it gets dark yet before bedtime. But that won't be the case tomorrow morning when, for the…
This Week's Sky at a Glance, October 3 – 11
Some daily celestial sights among the ever-changing stars and planets Friday, October 3 As evening twilight fades away, look very far to the lower left of the Moon for Fomalhaut, the Autumn Star, already climbing up from the southeast horizon. Saturday, October 4 The W pattern of Cassiopeia stands vertically…
Tour October's Sky: Pegasus Flies High!
October is pleasant for nighttime observing because evenings are cool and come early. Use our downloadable stargazing podcast to find the month's highlights.
Fomalhaut: A Crazy-Wide Triple Star
Lonely Fomalhaut turns out to have plenty of company. Learn how to find its two remarkably distant stellar companions.
This Week's Sky at a Glance, Sept. 26 – Oct. 4
Mars shines above Antares in the southwest at dusk this week.
Wake Up to a Total Lunar Eclipse on October 8, 2014
Start your day with an eclipse of the full Moon! On the morning of October 8, 2014, a total lunar eclipse will be visible across most of North America.
