SUNSET: 
Like Chocolate in Your Peanut Butter
When two great things come together. . .
Saturn in the Morning
The ringed planet is at its highest in the sky shortly before dawn in December. And the early-morning sky is full of other marvels, too.
Undiscovered Country
A detailed overview of Antarctica was released yesterday.
A Revival of Comet Holmes
It's still there! With the Moon now gone from the early-eyening sky, Comet Holmes is the easiest-to-spot "deep sky object" after the Pleiades.
The Orion Nebula, Exactly?
Radio astronomers succeed where others have failed to pin down the distance to a great showpiece of the night sky.
Earth at Night: Not a Pretty Sight
Rosetta's nighttime snapshots of the Eastern Hemisphere show that the fight against light pollution has a long way to go.
Swimming a Salty Sea
There could be life on Jupiter's moon, Europa. The qualities thought necessary for life to arise are liquid water, an energy source, and certain biogenic elements such as carbon, nitrogen, and phosphorus, and Europa likely has all of these in abundance.
Mars Is Here!
The Red Planet is now nearly as bright — and appears nearly as big through a telescope — as it will any time this year.
For the Garden
Careful attention goes into bringing back a classic telescope. Watch how it's done.
Call for Images of Venus
Venus Express project scientists are inviting amateur and professional astronomers to contribute Earth-based images of the planet made at infrared, visible, and ultraviolet wavelengths.
Will the UK Bail on Gemini?
Budget woes are forcing the United Kingdom to abandon its share of one of the world's premier observatories.
What Happened to Comet Holmes?
Despite scrutiny by an army of professional and amateur observatories — even the Hubble and Spitzer space telescopes — we may never learn what made a nondescript comet blow its top in late October.
Nova in Puppis
On Nov. 14, 2007, a star in the constellation Puppis suddenly became visible in binoculars.
Leonids 2007
The Leonid meteor shower peaks on the morning of Sunday, November 18th.
Nova in Puppis
On Nov. 14, 2007, a star in the constellation Puppis suddenly became visible in binoculars.
Our Sun's Twin
A faint but observable star in Draco is the closest match yet to the one at the center of our solar system.
Good Morning Earth
The Kaguya spacecraft provides a nice way to start the day with a look back home.
Do We Really Need Jupiter?
Jupiter deflects objects like comets before they have a chance to hit Earth. Without it, there would have been so many impacts that life wouldn't have gotten far on Earth. Right? Perhaps not.
Rosetta Attacks!
Briefly mistaken for an asteroid headed toward Earth, a European-built comet chaser zips by en route to its deep-space rendezvous.
China Reaches the Moon
A Chinese spacecraft named Chang'e 1 is preparing to study the Moon at close range after successfully settling into lunar orbit.
