SUNSET: 
The Four-Planet Dance of 2011
Every morning in May 2011, just before sunrise, four planets combine to form fascinating and ever-changing patterns.
A Sign of the Times
What's with the sudden realization that the zodiac has 13 constellations and that Sun signs have shifted due to precession? S&T devotees — and astrologers — have known this all along.
Great Photos from a Celestial Double-Header
January 4th featured a robust meteor shower and a partial solar eclipse in quick succession. Here's the story of how two lucky astrophotographers captured the moment.
Daydreaming About January 4th's Solar Eclipse
Lucky skywatchers in Europe, northern Africa, and western Asia will get to see a deep partial eclipse of the Sun on Tuesday.
Quadrantid Meteors: Fire over Ice
Early January brings frigid northern weather — and one of the year's very best meteor showers.
Bright Prospects for Comet Elenin?
A newfound visitor from the solar system's icy fringe could brighten a millionfold by mid-September 2011 and become a pretty sight in the predawn sky.
Solstice Eclipse
Winter in the Northern Hemisphere was heralded by a glorious total lunar eclipse.
A Sky-High Lunar Eclipse
For all of North America, the full Moon has a total eclipse high overhead late on the night of December 20-21.
It's Geminid Time!
What many skywatchers consider the year's richest and most reliable meteor shower peaks this year on the morning of December 14th.
Jupiter's Lost Belt Reviving?
A sudden bright storm has erupted in the latitude of Jupiter's South Equatorial Belt. It's expected to be the first of a series of rapid changes in the days ahead, leading to a reappearance of the missing dark belt.
How Dark Are Your Skies?
Take part in this year's Great World Wide Star Count, and you'll be joining thousands of other "citizen scientists" in raising dark-sky awareness around the globe.
A Deluge of Draconids?
Heavy downpours — and a nearly full Moon, unfortunately — are forecast for next year's Draconid meteor shower.
Another Flash on Jupiter!
Japanese observer Masayuki Tachikawa appears to have captured another impact on Jupiter, the second one in the past three months.
An Evening Dance of Planets
Step outside as evening twilight fades, and you’ll find brilliant Venus, along with fainter Mars and Saturn, shining low in the west.
Dark Nights for the Perseids
Don't miss the year's best-known meteor shower, predicted to peak on the night of August 12th.
In Search of Selenelion
Saturday's partial lunar eclipse offered some skygazers the rare chance to see the partly-hidden Moon and the rising Sun at the same time.
Ceres in 2010
Ceres, the largest main-belt asteroid, is well placed for observation in June through August 2010.
Mercury Takes the Spotlight
The normally elusive innermost planet has its best apparition of the year — with dazzling Venus to point the way!!
The Sun is Back!
After a couple of relatively dormant years, the Sun is showing signs of major activity again.
January 15th's Rare Annular Eclipse
The longest annular eclipse of the Sun until the year 3043 happens tomorrow — but only a luck few (million) will be positioned to see it.
