SUNSET: 
Hubble Confirms a Cosmic Jerk
Astronomers have confirmed the presence of dark energy in the universe 9 billion years ago by imaging a slew of galaxies before and after supernovae exploded.
Comet SWAN Still Glows After Dusk
Comet SWAN remains a nice but fading target for telescopes in early evening. Follow it using our chart.
Titan: Assembling the Puzzle
Since it arrived at the ringed planet, NASA's Cassini orbiter has flown past Saturn's cloud-enshrouded moon Titan nearly two dozen times. And with each encounter, scientists come closer to piecing together the complex story of the Saturnian system's largest satellite.
Beautiful Universe 2007 Photo Contest Winners
Out of the hundreds of entries sent to Sky & Telescope, the following represent the best of the best. Click through to see the first-, second-, and third-place winners in each of our nine categories — as well as each of the Readers' Choice Award winners. And a special congratulations…
Mercury Transit Observed
Strategically placed sunspots ushered Mercury onto and off the Sun's disk on Wednesday, November 8th.
SOHO Comet No. 1,200 Discovered
On October 10th, less than eight months after the 1,100th comet was found in images obtained by the SOHO (Solar and Heliospheric Observatory) spacecraft, No. 1,200 was discovered by Bo Zhou.
More Halloween Treats from NASA
On Tuesday NASA officials funded concept studies for six missions: a return to Deep Impact's Comet Tempel 1, an asteroid sample-return mission, a visit to Venus, and more.
A Happy Halloween for Hubble
NASA administrator Michael Griffin today gave the Hubble Space Telescope a new lease on life by announcing that astronauts will visit the observatory in 2008 to make repairs and upgrades.
A Thousand Martian Sunsets
Surviving long past its expected life span, NASA's Mars Exploration Rover Spirit marks its 1,000th day on the Red Planet.
A Planet that Runs Hot and Cold
In a "seminal result" astronomers using NASA's infrared Spitzer Space Telescope have made the first measurement of the difference between an extrasolar planet's daytime and nighttime temperatures.
Spring Has Sprung on Uranus
A new dark spot has appeared in the atmosphere of Uranus, which is experiencing an extended spring.
A Curiouser and Curiouser KBO
To date astronomers have found more than 1,000 Kuiper Belt objects (KBOs) beyond Neptune. The strangest one of all may have fathered a whole KBO family.
Mauna Kea Earthquake Update
The telescopes atop Hawaii's tallest peak were shaken by Sunday's 6.6-magnitude temblor, but appear to have survived relatively unscathed.
From Ugly Duckling to Beautiful Swan
The Stratospheric Observatory for Infrared Astronomy, a telescope-toting 747SP airliner, has received a fresh coat of paint in preparation for its first test flight.
Discoveries in Saturn's Dark
In September the Cassini spacecraft observed Saturn from within the planet's shadow. Astronomers used the unique illumination to find new rings and much more.
Cometary Puzzles
At this week's Division for Planetary Sciences meeting in Pasadena, California, astronomers spent two days presenting research about the elusive question of comet composition. One might assume that the makeup of dirty snowballs should be consistent. However, the consensus in the halls of the Pasadena Convention Center this week is that they can differ wildly from each other.
Why Doesn't Venus Have a Moon?
Back when Earth was an infant, it was pummeled by solar system debris. One blow nearly destroyed it; the debris from that collision coalesced to form the Moon. But how did our neighbor in space, Venus, dodge the same fate? New studies say it didn't.
Hubble Captures Evidence of Planets Far Away
By peering some 20,000 light-years into the star-swarms of the Milky Way's central bulge, astronomers using the Hubble Space Telescope have turned up 16 possible new planets crossing the faces of their stars, two of which have been confirmed.
How I Found My New Comet
In an exclusive story for SkyandTelescope.com, prolific comet hunter David Levy explains how he stumbled across find number 22 while observing near Saturn.
England's Autumn Sky Camp
For those who were fortunate enough to attend Britian's Autumn Equinox Sky Camp, they were treated to nine days of astronomical camaraderie along with a few nights of near-perfect observing conditions.
